Subject: Re: [Fot] Fwd: Crown and pinion gear break in

From: John Styduhar via Fot <[email-masked]>
Date: Sun, 9 Sep 2018 11:07:18 -0400

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The "92" is the "matched set" number and should correspond with the set
number on the ring gear.  The other number is the difference in pinion
shimming from the "normal".    Haha, what is normal?

On Sat, Sep 8, 2018 at 12:33 AM Greg Blake via Fot <[email-masked]>
wrote:

> Ok guys and gals.
>
> Here is a pic of the new pinion head. What do I do with the number on the
> pinion head?
> Thanks.
>
>
> Sent from my iPhone
>
> On Sep 7, 2018, at 1:07 PM, Bob Kramer <[email-masked]> wrote:
>
> I have a 4.88 ring and pinion in a box. My Triumph club is running the VT=
R
> National near Austin next year and I've been volunteered to head up the
> autocross. I think I'll build a diff with it and put it in the Beandito,
> and sell tickets!
>
> Bob Kramer
>
> On Fri, Sep 7, 2018 at 8:37 AM, barry rosenberg via Fot <
> [email-masked]> wrote:
>
>> Wasn't this the new set of gears? If so, they were new old stock from
>> England. They once belonged to Jim Ealy, who owned a black, 1966 TR4A ra=
ce
>> car. I bought his junk yard to get his race car and the gears were new i=
n
>> the box. I knew him since 1973 and he had the gears then. I had them unt=
il
>> recently. I would not think that back then there were cheap reproduction
>> gears available. He had 4:11, the 4:55 and 4:88 (great fun but useless).
>> The 4:11 went in the car when I sold it, the 4:88 were put in a locked d=
iff
>> and played with on the street; the 4:55 sat on a shelf for all those yea=
rs.
>> If the diff still had fluid in it, then it has to be improper set up,
>> unfortunately.
>>
>> Barry
>>
>>
>> ------------------------------
>> *From:* Greg Blake via Fot <[email-masked]>
>> *To:* Fot <[email-masked]>
>> *Cc:* fot <[email-masked]>
>> *Sent:* Friday, September 7, 2018 6:14 AM
>> *Subject:* Re: [Fot] Fwd: Crown and pinion gear break in
>>
>> Thanks guys for all the feedback.
>>
>> So far I have only put the car in the air and pulled the cover. There is
>> ample evidence of excessive heat so something went wrong with my setup.
>>
>> I might get the chance to pull it all out of the car and take some
>> measurements on Sunday. Once I do, I=E2=80=99ll share my original setup =
notes and
>> what I measure upon disassembly.
>>
>> On a related note. I ordered a new gear set from Rimmer on Monday and it
>> arrived in Austin today, standard shipping. Amazing. Way faster than som=
e
>> of our domestic suppliers.
>>
>> This new gear set was supplied by Bastuck. Hopefully lasts a little
>> longer.
>>
>> Sent from my iPhone
>>
>> On Sep 6, 2018, at 7:41 AM, Rick Parent via Fot <[email-masked]>
>> wrote:
>>
>> Looks like the pinion was way to deep.
>>
>>
>> On Thursday, September 6, 2018 6:38 AM, Bill via Fot <[email-masked]=
>
>> wrote:
>>
>>
>> I doubt if a break-in procedure could have prevented failure, but as
>> Marcel says, checking the temperature of the diff could have stopped the
>> damage. The likely culprits are incorrect engagement or bad parts, but
>> anything that heats the gears enough to cook the oil off the parts will
>> kill the gears. I had a close call with one of the gear sets I use.
>> Apparently I screwed up somewhere in checking fit=E2=80=94when I pulled =
the rear
>> end to assess the problem there was no backlash. I have a huge finned
>> differential cover so checking temperature doesn=E2=80=99t help, but I c=
ould feel
>> the car slowing quickly between shifts. Fortunately I wasn=E2=80=99t doi=
ng my usual
>> clutchless shifts and noticed the sudden deceleration every time I
>> disengaged the clutch. The gear teeth were slightly blued and the oil
>> smelled like a cesspool, but the gears were still usable once I did the
>> setup properly.
>>
>> Bill
>>
>> > On Sep 5, 2018, at 1:48 AM, van.mulders.marcel--- via Fot <
>> [email-masked]> wrote:
>> >
>> >
>> >
>> > ----- Doorgestuurd bericht -----
>> > Van: "van mulders marcel" <[email-masked]>
>> > Aan: "Greg Blake" <[email-masked]>
>> > Verzonden: Woensdag 5 september 2018 10:47:59
>> > Onderwerp: Re: [Fot] Crown and pinion gear break in
>> >
>> > I think it is good measure to check the heat of the differential casin=
g
>> after a few laps when the pinion and crownwheel are freshly mounted : wh=
en
>> the casing gets very hot, something is wrong : or the parts are bad or t=
hey
>> are mounted not correctly
>> > There are at least 2 manufactures of the TR parts, I forgot about the
>> names. As far as I know, used original parts are running cooler than som=
e
>> of the aftermarked parts. How was the noise of the diff? Did you notice =
the
>> smell during the first laps?
>> > Marcel
>> >
>> > ----- Oorspronkelijk bericht -----
>> > Van: "fot" <[email-masked]>
>> > Aan: "fot" <[email-masked]>
>> > Verzonden: Woensdag 5 september 2018 03:25:39
>> > Onderwerp: [Fot] Crown and pinion gear break in
>> >
>> > I would love to here the FOT experience in breaking in new differentia=
l
>> gears. What has worked well for you in the past?
>> >
>> > Last weekend, I was running the TR3 at Hallett with a brand new 4.55
>> gear set and it failed. I probably got 30 laps total in 4 sessions on
>> track. I did not think to follow any set break in procedure with the gea=
rs
>> and I am wondering if that is why they failed.
>> >
>> > I am interested in the lists experience with brand new or new old stoc=
k
>> ring and pinion break in.
>> >
>> > Here is a pic of the failed set.
>> >
>> >
>> >
>> > [image/jpeg:image1.jpeg]
>> >
>> >
>> >
>> > Sent from my iPhone
>> > _______________________________________________
>> > [email-masked]
>> >
>> > http://www.fot-racing.com
>> >
>> > Donate: http://www.team.net/donate.html
>> > Archive: http://www.team.net/pipermail/fot
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>> > _______________________________________________
>> > [email-masked]
>> >
>> > http://www.fot-racing.com
>> >
>> > Donate: http://www.team.net/donate.html
>> > Archive: http://www.team.net/pipermail/fot
>> > Unsubscribe/Manage:
>> http://autox.team.net/mailman/options/fot/[email-masked]
>>
>> >
>> >
>>
>> _______________________________________________
>> [email-masked]
>>
>> http://www.fot-racing.com
>>
>> Donate: http://www.team.net/donate.html
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>>
>> _______________________________________________
>> [email-masked]
>>
>> http://www.fot-racing.com
>>
>> Donate: http://www.team.net/donate.html
>> Archive: http://www.team.net/pipermail/fot
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>> _______________________________________________
>> [email-masked]
>>
>> http://www.fot-racing.com
>>
>> Donate: http://www.team.net/donate.html
>> Archive: http://www.team.net/pipermail/fot
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>>
>>
>> _______________________________________________
>> [email-masked]
>>
>> http://www.fot-racing.com
>>
>> Donate: http://www.team.net/donate.html
>> Archive: http://www.team.net/pipermail/fot
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>>
>>
> _______________________________________________
> [email-masked]
>
> http://www.fot-racing.com
>
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/pipermail/fot
> Unsubscribe/Manage:
> http://autox.team.net/mailman/options/fot/[email-masked]
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<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-size:small">The=
 &quot;92&quot; is the &quot;matched set&quot; number and should correspond=
 with the set number on the ring gear.=C2=A0 The other number is the differ=
ence in pinion shimming from the &quot;normal&quot;.=C2=A0 =C2=A0 Haha, wha=
t is normal?</div><div class=3D"gmail_default" style=3D"font-size:small"><b=
r></div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr">On Sat, Sep 8=
, 2018 at 12:33 AM Greg Blake via Fot &lt;<a href=3D"mailto:[email-masked].=
net">[email-masked]</a>&gt; wrote:<br></div><blockquote class=3D"gmail_=
quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1=
ex"><div dir=3D"auto">Ok guys and gals.=C2=A0<div><br></div><div>Here is a =
pic of the new pinion head. What do I do with the number on the pinion head=
?=C2=A0</div><div><img src=3D"cid:D0E321B3-529F-409C-BF60-3D743DEB9A62" alt=
=3D"image1.jpeg" id=3D"m_-3671314450992527492D0E321B3-529F-409C-BF60-3D743D=
EB9A62"><br></div><div>Thanks.=C2=A0</div><div><br><br><div id=3D"m_-367131=
4450992527492AppleMailSignature">Sent from my iPhone</div><div><br>On Sep 7=
, 2018, at 1:07 PM, Bob Kramer &lt;<a href=3D"mailto:[email-masked]" t=
arget=3D"_blank">[email-masked]</a>&gt; wrote:<br><br></div><blockquot=
e type=3D"cite"><div><div dir=3D"ltr">I have a 4.88 ring and pinion in a bo=
x. My Triumph club is running the VTR National near Austin next year and I&=
#39;ve been volunteered to head up the autocross. I think I&#39;ll build a =
diff with it and put it in the Beandito, and sell tickets!=C2=A0</div><div =
class=3D"gmail_extra"><br clear=3D"all"><div><div class=3D"m_-3671314450992=
527492gmail_signature" data-smartmail=3D"gmail_signature"><div dir=3D"ltr">=
Bob Kramer</div></div></div>
<br><div class=3D"gmail_quote">On Fri, Sep 7, 2018 at 8:37 AM, barry rosenb=
erg via Fot <span dir=3D"ltr">&lt;<a href=3D"mailto:[email-masked]" tar=
get=3D"_blank">[email-masked]</a>&gt;</span> wrote:<br><blockquote clas=
s=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;pad=
ding-left:1ex"><div><div style=3D"color:#000;background-color:#fff;font-fam=
ily:Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:13px"=
><div id=3D"m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1=
536326086781_12427"><span id=3D"m_-3671314450992527492m_-692865941619314583=
2yui_3_16_0_ym19_1_1536326086781_12426">Wasn&#39;t this the new set of gear=
s? If so, they were new old stock from England. They once belonged to Jim E=
aly, who owned a black, 1966 TR4A race car. I bought his junk yard to get h=
is race car and the gears were new in the box. I knew him since 1973 and he=
 had the gears then. I had them until recently. I would not think that back=
 then there were cheap reproduction gears available. He had 4:11, the 4:55 =
and 4:88 (great fun but useless). The 4:11 went in the car when I sold it, =
the 4:88 were put in a locked diff and played with on the street; the 4:55 =
sat on a shelf for all those years. If the diff still had fluid in it, then=
 it has to be improper set up, unfortunately.</span></div><div id=3D"m_-367=
1314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_12427=
"><span><br></span></div><div id=3D"m_-3671314450992527492m_-69286594161931=
45832yui_3_16_0_ym19_1_1536326086781_12427"><span>Barry</span></div><div cl=
ass=3D"m_-3671314450992527492m_-6928659416193145832qtdSeparateBR" id=3D"m_-=
3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_12=
440"><br><br></div><div class=3D"m_-3671314450992527492m_-69286594161931458=
32yahoo_quoted" id=3D"m_-3671314450992527492m_-6928659416193145832yui_3_16_=
0_ym19_1_1536326086781_12446" style=3D"display:block">  <div style=3D"font-=
family:Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:13=
px" id=3D"m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_153=
6326086781_12445"> <div style=3D"font-family:HelveticaNeue,Helvetica Neue,H=
elvetica,Arial,Lucida Grande,sans-serif;font-size:16px" id=3D"m_-3671314450=
992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_12444"> <div=
 dir=3D"ltr" id=3D"m_-3671314450992527492m_-6928659416193145832yui_3_16_0_y=
m19_1_1536326086781_12443"> <font size=3D"2" face=3D"Arial" id=3D"m_-367131=
4450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_12442"> =
<hr size=3D"1" id=3D"m_-3671314450992527492m_-6928659416193145832yui_3_16_0=
_ym19_1_1536326086781_12441"> <b><span style=3D"font-weight:bold">From:</sp=
an></b> Greg Blake via Fot &lt;<a href=3D"mailto:[email-masked]" target=
=3D"_blank">[email-masked]</a>&gt;<br> <b><span style=3D"font-weight:bo=
ld">To:</span></b> Fot &lt;<a href=3D"mailto:[email-masked]" target=3D"=
_blank">[email-masked]</a>&gt; <br><b><span style=3D"font-weight:bold">=
Cc:</span></b> fot &lt;<a href=3D"mailto:[email-masked]" target=3D"_bla=
nk">[email-masked]</a>&gt;<br> <b><span style=3D"font-weight:bold">Sent=
:</span></b> Friday, September 7, 2018 6:14 AM<br> <b><span style=3D"font-w=
eight:bold">Subject:</span></b> Re: [Fot] Fwd:  Crown and pinion gear break=
 in<br> </font> </div> <div class=3D"m_-3671314450992527492m_-6928659416193=
145832y_msg_container" id=3D"m_-3671314450992527492m_-6928659416193145832yu=
i_3_16_0_ym19_1_1536326086781_13039"><br><div id=3D"m_-3671314450992527492m=
_-6928659416193145832yiv8608138712"><div id=3D"m_-3671314450992527492m_-692=
8659416193145832yui_3_16_0_ym19_1_1536326086781_13040">Thanks guys for all =
the feedback.=C2=A0<div id=3D"m_-3671314450992527492m_-6928659416193145832y=
ui_3_16_0_ym19_1_1536326086781_13041"><br clear=3D"none"></div><div id=3D"m=
_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_=
13042">So far I have only put the car in the air and pulled the cover. Ther=
e is ample evidence of excessive heat so something went wrong with my setup=
.=C2=A0</div><div id=3D"m_-3671314450992527492m_-6928659416193145832yui_3_1=
6_0_ym19_1_1536326086781_13043"><br clear=3D"none"></div><div id=3D"m_-3671=
314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_13044"=
>I might get the chance to pull it all out of the car and take some measure=
ments on Sunday. Once I do, I=E2=80=99ll share my original setup notes and =
what I measure upon disassembly.</div><div id=3D"m_-3671314450992527492m_-6=
928659416193145832yui_3_16_0_ym19_1_1536326086781_13045"><br clear=3D"none"=
></div><div id=3D"m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym=
19_1_1536326086781_13046">On a related note. I ordered a new gear set from =
Rimmer on Monday and it arrived in Austin today, standard shipping. Amazing=
. Way faster than some of our domestic suppliers.=C2=A0</div><div><br clear=
=3D"none"></div><div>This new gear set was supplied by Bastuck. Hopefully l=
asts a little longer. =C2=A0</div><div><br clear=3D"none"><div id=3D"m_-367=
1314450992527492m_-6928659416193145832yiv8608138712AppleMailSignature">Sent=
 from my iPhone</div><div class=3D"m_-3671314450992527492m_-692865941619314=
5832yiv8608138712yqt3328800303" id=3D"m_-3671314450992527492m_-692865941619=
3145832yiv8608138712yqt60981"><div><br clear=3D"none">On Sep 6, 2018, at 7:=
41 AM, Rick Parent via Fot &lt;<a rel=3D"nofollow" shape=3D"rect" href=3D"m=
ailto:[email-masked]" target=3D"_blank">[email-masked]</a>&gt; wrot=
e:<br clear=3D"none"><br clear=3D"none"></div><blockquote type=3D"cite"><di=
v><div style=3D"color:#000;background-color:#fff;font-family:Helvetica Neue=
,Helvetica,Arial,Lucida Grande,sans-serif;font-size:13px"><div id=3D"m_-367=
1314450992527492m_-6928659416193145832yiv8608138712yui_3_16_0_ym19_1_153623=
7470748_10096"><span id=3D"m_-3671314450992527492m_-6928659416193145832yiv8=
608138712yui_3_16_0_ym19_1_1536237470748_10136">Looks like the pinion was w=
ay to deep.</span></div> <div class=3D"m_-3671314450992527492m_-69286594161=
93145832yiv8608138712qtdSeparateBR"><br clear=3D"none"><br clear=3D"none"><=
/div><div class=3D"m_-3671314450992527492m_-6928659416193145832yiv860813871=
2yahoo_quoted" style=3D"display:block"> <div style=3D"font-family:Helvetica=
 Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:13px"> <div style=
=3D"font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,=
sans-serif;font-size:16px"> <div dir=3D"ltr"><font size=3D"2" face=3D"Arial=
"> On Thursday, September 6, 2018 6:38 AM, Bill via Fot &lt;<a rel=3D"nofol=
low" shape=3D"rect" href=3D"mailto:[email-masked]" target=3D"_blank">fo=
[email-masked]</a>&gt; wrote:<br clear=3D"none"></font></div>  <br clear=
=3D"none"><br clear=3D"none"> <div class=3D"m_-3671314450992527492m_-692865=
9416193145832yiv8608138712y_msg_container"><div dir=3D"ltr">I doubt if a br=
eak-in procedure could have prevented failure, but as Marcel says, checking=
 the temperature of the diff could have stopped the damage. The likely culp=
rits are incorrect engagement or bad parts, but anything that heats the gea=
rs enough to cook the oil off the parts will kill the gears. I had a close =
call with one of the gear sets I use. Apparently I screwed up somewhere in =
checking fit=E2=80=94when I pulled the rear end to assess the problem there=
 was no backlash. I have a huge finned differential cover so checking tempe=
rature doesn=E2=80=99t help, but I could feel the car slowing quickly betwe=
en shifts. Fortunately I wasn=E2=80=99t doing my usual clutchless shifts an=
d noticed the sudden deceleration every time I disengaged the clutch. The g=
ear teeth were slightly blued and the oil smelled like a cesspool, but the =
gears were still usable once I did the setup properly. <br clear=3D"none"><=
br clear=3D"none">Bill<br clear=3D"none"> <br clear=3D"none">&gt; On Sep 5,=
 2018, at 1:48 AM, van.mulders.marcel--- via Fot &lt;<a rel=3D"nofollow" sh=
ape=3D"rect" href=3D"mailto:[email-masked]" target=3D"_blank">fot@autox=
.team.net</a>&gt; wrote:<br clear=3D"none">&gt; <br clear=3D"none">&gt; <br=
 clear=3D"none">&gt; <br clear=3D"none">&gt; ----- Doorgestuurd bericht ---=
--<br clear=3D"none">&gt; Van: &quot;van mulders marcel&quot; &lt;<a rel=3D=
"nofollow" shape=3D"rect" href=3D"mailto:[email-masked]" tar=
get=3D"_blank">[email-masked]</a>&gt;<br clear=3D"none">&gt;=
 Aan: &quot;Greg Blake&quot; &lt;<a rel=3D"nofollow" shape=3D"rect" href=3D=
"mailto:[email-masked]" target=3D"_blank">[email-masked]</a=
>&gt;<br clear=3D"none">&gt; Verzonden: Woensdag 5 september 2018 10:47:59<=
br clear=3D"none">&gt; Onderwerp: Re: [Fot] Crown and pinion gear break in<=
br clear=3D"none">&gt; <br clear=3D"none">&gt; I think it is good measure t=
o check the heat of the differential casing after a few laps when the pinio=
n and crownwheel are freshly mounted : when the casing gets very hot, somet=
hing is wrong : or the parts are bad or they are mounted not correctly<br c=
lear=3D"none">&gt; There are at least 2 manufactures of the TR parts, I for=
got about the names. As far as I know, used original parts are running cool=
er than some of the aftermarked parts. How was the noise of the diff? Did y=
ou notice the smell during the first laps?<br clear=3D"none">&gt; Marcel<br=
 clear=3D"none">&gt; <br clear=3D"none">&gt; ----- Oorspronkelijk bericht -=
----<br clear=3D"none">&gt; Van: &quot;fot&quot; &lt;<a rel=3D"nofollow" sh=
ape=3D"rect" href=3D"mailto:[email-masked]" target=3D"_blank">fot@autox=
.team.net</a>&gt;<br clear=3D"none">&gt; Aan: &quot;fot&quot; &lt;<a rel=3D=
"nofollow" shape=3D"rect" href=3D"mailto:[email-masked]" target=3D"_bla=
nk">[email-masked]</a>&gt;<br clear=3D"none">&gt; Verzonden: Woensdag 5=
 september 2018 03:25:39<br clear=3D"none">&gt; Onderwerp: [Fot] Crown and =
pinion gear break in<br clear=3D"none">&gt; <br clear=3D"none">&gt; I would=
 love to here the FOT experience in breaking in new differential gears. Wha=
t has worked well for you in the past?=C2=A0 <br clear=3D"none">&gt; <br cl=
ear=3D"none">&gt; Last weekend, I was running the TR3 at Hallett with a bra=
nd new 4.55 gear set and it failed. I probably got 30 laps total in 4 sessi=
ons on track. I did not think to follow any set break in procedure with the=
 gears and I am wondering if that is why they failed. <br clear=3D"none">&g=
t; <br clear=3D"none">&gt; I am interested in the lists experience with bra=
nd new or new old stock ring and pinion break in. <br clear=3D"none">&gt; <=
br clear=3D"none">&gt; Here is a pic of the failed set. <br clear=3D"none">=
&gt; <br clear=3D"none">&gt; <br clear=3D"none">&gt; <br clear=3D"none">&gt=
; [image/jpeg:image1.jpeg]<br clear=3D"none">&gt; <br clear=3D"none">&gt; <=
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_______________________________________________
[email-masked]

http://www.fot-racing.com

Archive: http://www.team.net/pipermail/fot

--00000000000081e1d10575719966--

---

From: Greg Blake via Fot <[email-masked]>
Date: Sun, 09 Sep 2018 10:09:16 -0500

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Thanks John.=20

Sent from my iPhone

> On Sep 9, 2018, at 10:07 AM, John Styduhar <[email-masked]> wrote:
>=20
> The "92" is the "matched set" number and should correspond with the set nu=
mber on the ring gear.  The other number is the difference in pinion shimmin=
g from the "normal".    Haha, what is normal?
>=20
>=20
>> On Sat, Sep 8, 2018 at 12:33 AM Greg Blake via Fot <[email-masked]> w=
rote:
>> Ok guys and gals.=20
>>=20
>> Here is a pic of the new pinion head. What do I do with the number on the=
 pinion head?=20
>>=20
>> Thanks.=20
>>=20
>>=20
>>=20
>>>=20
>>> I have a 4.88 ring and pinion in a box. My Triumph club is running the V=
TR National near Austin next year and I've been volunteered to head up the a=
utocross. I think I'll build a diff with it and put it in the Beandito, and s=
ell tickets!=20
>>>=20
>>> Bob Kramer
>>>=20
>>>> On Fri, Sep 7, 2018 at 8:37 AM, barry rosenberg via Fot <[email-masked]=
.net> wrote:
>>>> Wasn't this the new set of gears? If so, they were new old stock from E=
ngland. They once belonged to Jim Ealy, who owned a black, 1966 TR4A race ca=
r. I bought his junk yard to get his race car and the gears were new in the b=
ox. I knew him since 1973 and he had the gears then. I had them until recent=
ly. I would not think that back then there were cheap reproduction gears ava=
ilable. He had 4:11, the 4:55 and 4:88 (great fun but useless). The 4:11 wen=
t in the car when I sold it, the 4:88 were put in a locked diff and played w=
ith on the street; the 4:55 sat on a shelf for all those years. If the diff s=
till had fluid in it, then it has to be improper set up, unfortunately.
>>>>=20
>>>> Barry
>>>>=20
>>>>=20
>>>> From: Greg Blake via Fot <[email-masked]>
>>>> To: Fot <[email-masked]>=20
>>>> Cc: fot <[email-masked]>
>>>> Sent: Friday, September 7, 2018 6:14 AM
>>>> Subject: Re: [Fot] Fwd: Crown and pinion gear break in
>>>>=20
>>>> Thanks guys for all the feedback.=20
>>>>=20
>>>> So far I have only put the car in the air and pulled the cover. There i=
s ample evidence of excessive heat so something went wrong with my setup.=20=

>>>>=20
>>>> I might get the chance to pull it all out of the car and take some meas=
urements on Sunday. Once I do, I=E2=80=99ll share my original setup notes an=
d what I measure upon disassembly.
>>>>=20
>>>> On a related note. I ordered a new gear set from Rimmer on Monday and i=
t arrived in Austin today, standard shipping. Amazing. Way faster than some o=
f our domestic suppliers.=20
>>>>=20
>>>> This new gear set was supplied by Bastuck. Hopefully lasts a little lon=
ger. =20
>>>>=20
>>>> Sent from my iPhone
>>>>=20
>>>>> On Sep 6, 2018, at 7:41 AM, Rick Parent via Fot <[email-masked]> w=
rote:
>>>>>=20
>>>>>=20
>>>>>=20
>>>>> On Thursday, September 6, 2018 6:38 AM, Bill via Fot <[email-masked]=
et> wrote:
>>>>>=20
>>>>>=20
>>>>> I doubt if a break-in procedure could have prevented failure, but as M=
arcel says, checking the temperature of the diff could have stopped the dama=
ge. The likely culprits are incorrect engagement or bad parts, but anything t=
hat heats the gears enough to cook the oil off the parts will kill the gears=
. I had a close call with one of the gear sets I use. Apparently I screwed u=
p somewhere in checking fit=E2=80=94when I pulled the rear end to assess the=
 problem there was no backlash. I have a huge finned differential cover so c=
hecking temperature doesn=E2=80=99t help, but I could feel the car slowing q=
uickly between shifts. Fortunately I wasn=E2=80=99t doing my usual clutchles=
s shifts and noticed the sudden deceleration every time I disengaged the clu=
tch. The gear teeth were slightly blued and the oil smelled like a cesspool,=
 but the gears were still usable once I did the setup properly.=20
>>>>>=20
>>>>> Bill
>>>>>=20
>>>>> > On Sep 5, 2018, at 1:48 AM, van.mulders.marcel--- via Fot <fot@autox=
.team.net> wrote:
>>>>> >=20
>>>>> >=20
>>>>> >=20
>>>>> >=20
>>>>> > I think it is good measure to check the heat of the differential cas=
ing after a few laps when the pinion and crownwheel are freshly mounted : wh=
en the casing gets very hot, something is wrong : or the parts are bad or th=
ey are mounted not correctly
>>>>> > There are at least 2 manufactures of the TR parts, I forgot about th=
e names. As far as I know, used original parts are running cooler than some o=
f the aftermarked parts. How was the noise of the diff? Did you notice the s=
mell during the first laps?
>>>>> >=20
>>>>> >=20
>>>>> > I would love to here the FOT experience in breaking in new different=
ial gears. What has worked well for you in the past? =20
>>>>> >=20
>>>>> > Last weekend, I was running the TR3 at Hallett with a brand new 4.55=
 gear set and it failed. I probably got 30 laps total in 4 sessions on track=
. I did not think to follow any set break in procedure with the gears and I a=
m wondering if that is why they failed.=20
>>>>> >=20
>>>>> > I am interested in the lists experience with brand new or new old st=
ock ring and pinion break in.=20
>>>>> >=20
>>>>> > Here is a pic of the failed set.=20
>>>>> >=20
>>>>> >=20
>>>>> >=20
>>>>> > [image/jpeg:image1.jpeg]
>>>>> >=20
>>>>> >=20
>>>>> >=20
>>>>> > Sent from my iPhone
>>>>> >=20
>>>>> >=20
>>>>> > Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/van.mu=
[email-masked]
>>>>> >=20
>>>>> >=20
>>>>> > Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/bill@p=
onostyle.com
>>>>>=20
>>>>> >=20
>>>>> >=20
>>>>>=20
>>>>>=20
>>>>>=20
>>>>> Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/rick.par=
[email-masked]
>>>>>=20
>>>>>=20
>>>>>=20
>>>>>=20
>>>>>=20
>>>>>=20
>>>>> Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/gblake58=
[email-masked]
>>>>>=20
>>>>>=20
>>>>=20
>>>>=20
>>>>=20
>>>> Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/britcars@=
bellsouth.net
>>>>=20
>>>>=20
>>>>=20
>>>>=20
>>>>=20
>>>>=20
>>>>=20
>>>> Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/rkramer56=
@gmail.com
>>>>=20
>>>>=20
>>>>=20
>>>=20
>>=20
>>=20
>> Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/johnstydo@g=
mail.com
>>=20
>>=20

--Apple-Mail-0C413F64-DD2A-4EDD-8592-CBD3F4F5F65D
	charset=utf-8
Content-Transfer-Encoding: quoted-printable

<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto">Thanks John.&nbsp;<br><br><div id=3D"AppleM=
ailSignature">Sent from my iPhone</div><div><br>On Sep 9, 2018, at 10:07 AM,=
 John Styduhar &lt;<a href=3D"mailto:[email-masked]">[email-masked]=
m</a>&gt; wrote:<br><br></div><blockquote type=3D"cite"><div><div dir=3D"ltr=
"><div class=3D"gmail_default" style=3D"font-size:small">The "92" is the "ma=
tched set" number and should correspond with the set number on the ring gear=
.&nbsp; The other number is the difference in pinion shimming from the "norm=
al".&nbsp; &nbsp; Haha, what is normal?</div><div class=3D"gmail_default" st=
yle=3D"font-size:small"><br></div></div><br><div class=3D"gmail_quote"><div d=
ir=3D"ltr">On Sat, Sep 8, 2018 at 12:33 AM Greg Blake via Fot &lt;<a href=3D=
"mailto:[email-masked]">[email-masked]</a>&gt; wrote:<br></div><bloc=
kquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc=
 solid;padding-left:1ex"><div dir=3D"auto">Ok guys and gals.&nbsp;<div><br><=
/div><div>Here is a pic of the new pinion head. What do I do with the number=
 on the pinion head?&nbsp;</div><div><img src=3D"cid:D0E321B3-529F-409C-BF60=
-3D743DEB9A62" alt=3D"image1.jpeg" id=3D"m_-3671314450992527492D0E321B3-529F-=
409C-BF60-3D743DEB9A62"><br></div><div>Thanks.&nbsp;</div><div><br><br><div i=
d=3D"m_-3671314450992527492AppleMailSignature">Sent from my iPhone</div><div=
><br>On Sep 7, 2018, at 1:07 PM, Bob Kramer &lt;<a href=3D"mailto:rkramer56@=
gmail.com" target=3D"_blank">[email-masked]</a>&gt; wrote:<br><br></div=
><blockquote type=3D"cite"><div><div dir=3D"ltr">I have a 4.88 ring and pini=
on in a box. My Triumph club is running the VTR National near Austin next ye=
ar and I've been volunteered to head up the autocross. I think I'll build a d=
iff with it and put it in the Beandito, and sell tickets!&nbsp;</div><div cl=
ass=3D"gmail_extra"><br clear=3D"all"><div><div class=3D"m_-3671314450992527=
492gmail_signature" data-smartmail=3D"gmail_signature"><div dir=3D"ltr">Bob K=
ramer</div></div></div>
<br><div class=3D"gmail_quote">On Fri, Sep 7, 2018 at 8:37 AM, barry rosenbe=
rg via Fot <span dir=3D"ltr">&lt;<a href=3D"mailto:[email-masked]" targe=
t=3D"_blank">[email-masked]</a>&gt;</span> wrote:<br><blockquote class=3D=
"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-=
left:1ex"><div><div style=3D"color:#000;background-color:#fff;font-family:He=
lvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:13px"><div i=
d=3D"m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_153632608=
6781_12427"><span id=3D"m_-3671314450992527492m_-6928659416193145832yui_3_16=
_0_ym19_1_1536326086781_12426">Wasn't this the new set of gears? If so, they=
 were new old stock from England. They once belonged to Jim Ealy, who owned a=
 black, 1966 TR4A race car. I bought his junk yard to get his race car and t=
he gears were new in the box. I knew him since 1973 and he had the gears the=
n. I had them until recently. I would not think that back then there were ch=
eap reproduction gears available. He had 4:11, the 4:55 and 4:88 (great fun b=
ut useless). The 4:11 went in the car when I sold it, the 4:88 were put in a=
 locked diff and played with on the street; the 4:55 sat on a shelf for all t=
hose years. If the diff still had fluid in it, then it has to be improper se=
t up, unfortunately.</span></div><div id=3D"m_-3671314450992527492m_-6928659=
416193145832yui_3_16_0_ym19_1_1536326086781_12427"><span><br></span></div><d=
iv id=3D"m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_15363=
26086781_12427"><span>Barry</span></div><div class=3D"m_-3671314450992527492=
m_-6928659416193145832qtdSeparateBR" id=3D"m_-3671314450992527492m_-69286594=
16193145832yui_3_16_0_ym19_1_1536326086781_12440"><br><br></div><div class=3D=
"m_-3671314450992527492m_-6928659416193145832yahoo_quoted" id=3D"m_-36713144=
50992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_12446" styl=
e=3D"display:block">  <div style=3D"font-family:Helvetica Neue,Helvetica,Ari=
al,Lucida Grande,sans-serif;font-size:13px" id=3D"m_-3671314450992527492m_-6=
928659416193145832yui_3_16_0_ym19_1_1536326086781_12445"> <div style=3D"font=
-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-seri=
f;font-size:16px" id=3D"m_-3671314450992527492m_-6928659416193145832yui_3_16=
_0_ym19_1_1536326086781_12444"> <div dir=3D"ltr" id=3D"m_-367131445099252749=
2m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_12443"> <font size=3D=
"2" face=3D"Arial" id=3D"m_-3671314450992527492m_-6928659416193145832yui_3_1=
6_0_ym19_1_1536326086781_12442"> <hr size=3D"1" id=3D"m_-3671314450992527492=
m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_12441"> <b><span style=
=3D"font-weight:bold">From:</span></b> Greg Blake via Fot &lt;<a href=3D"mai=
lto:[email-masked]" target=3D"_blank">[email-masked]</a>&gt;<br> <b>=
<span style=3D"font-weight:bold">To:</span></b> Fot &lt;<a href=3D"mailto:fo=
[email-masked]" target=3D"_blank">[email-masked]</a>&gt; <br><b><span s=
tyle=3D"font-weight:bold">Cc:</span></b> fot &lt;<a href=3D"mailto:fot@autox=
.team.net" target=3D"_blank">[email-masked]</a>&gt;<br> <b><span style=3D=
"font-weight:bold">Sent:</span></b> Friday, September 7, 2018 6:14 AM<br> <b=
><span style=3D"font-weight:bold">Subject:</span></b> Re: [Fot] Fwd:  Crown a=
nd pinion gear break in<br> </font> </div> <div class=3D"m_-3671314450992527=
492m_-6928659416193145832y_msg_container" id=3D"m_-3671314450992527492m_-692=
8659416193145832yui_3_16_0_ym19_1_1536326086781_13039"><br><div id=3D"m_-367=
1314450992527492m_-6928659416193145832yiv8608138712"><div id=3D"m_-367131445=
0992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_13040">Thank=
s guys for all the feedback.&nbsp;<div id=3D"m_-3671314450992527492m_-692865=
9416193145832yui_3_16_0_ym19_1_1536326086781_13041"><br clear=3D"none"></div=
><div id=3D"m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_15=
36326086781_13042">So far I have only put the car in the air and pulled the c=
over. There is ample evidence of excessive heat so something went wrong with=
 my setup.&nbsp;</div><div id=3D"m_-3671314450992527492m_-692865941619314583=
2yui_3_16_0_ym19_1_1536326086781_13043"><br clear=3D"none"></div><div id=3D"=
m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_=
13044">I might get the chance to pull it all out of the car and take some me=
asurements on Sunday. Once I do, I=E2=80=99ll share my original setup notes a=
nd what I measure upon disassembly.</div><div id=3D"m_-3671314450992527492m_=
-6928659416193145832yui_3_16_0_ym19_1_1536326086781_13045"><br clear=3D"none=
"></div><div id=3D"m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym=
19_1_1536326086781_13046">On a related note. I ordered a new gear set from R=
immer on Monday and it arrived in Austin today, standard shipping. Amazing. W=
ay faster than some of our domestic suppliers.&nbsp;</div><div><br clear=3D"=
none"></div><div>This new gear set was supplied by Bastuck. Hopefully lasts a=
 little longer. &nbsp;</div><div><br clear=3D"none"><div id=3D"m_-3671314450=
992527492m_-6928659416193145832yiv8608138712AppleMailSignature">Sent from my=
 iPhone</div><div class=3D"m_-3671314450992527492m_-6928659416193145832yiv86=
08138712yqt3328800303" id=3D"m_-3671314450992527492m_-6928659416193145832yiv=
8608138712yqt60981"><div><br clear=3D"none">On Sep 6, 2018, at 7:41 AM, Rick=
 Parent via Fot &lt;<a rel=3D"nofollow" shape=3D"rect" href=3D"mailto:fot@au=
tox.team.net" target=3D"_blank">[email-masked]</a>&gt; wrote:<br clear=3D=
"none"><br clear=3D"none"></div><blockquote type=3D"cite"><div><div style=3D=
"color:#000;background-color:#fff;font-family:Helvetica Neue,Helvetica,Arial=
,Lucida Grande,sans-serif;font-size:13px"><div id=3D"m_-3671314450992527492m=
_-6928659416193145832yiv8608138712yui_3_16_0_ym19_1_1536237470748_10096"><sp=
an id=3D"m_-3671314450992527492m_-6928659416193145832yiv8608138712yui_3_16_0=
_ym19_1_1536237470748_10136">Looks like the pinion was way to deep.</span></=
div> <div class=3D"m_-3671314450992527492m_-6928659416193145832yiv8608138712=
qtdSeparateBR"><br clear=3D"none"><br clear=3D"none"></div><div class=3D"m_-=
3671314450992527492m_-6928659416193145832yiv8608138712yahoo_quoted" style=3D=
"display:block"> <div style=3D"font-family:Helvetica Neue,Helvetica,Arial,Lu=
cida Grande,sans-serif;font-size:13px"> <div style=3D"font-family:HelveticaN=
eue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:16px">=
 <div dir=3D"ltr"><font size=3D"2" face=3D"Arial"> On Thursday, September 6,=
 2018 6:38 AM, Bill via Fot &lt;<a rel=3D"nofollow" shape=3D"rect" href=3D"m=
ailto:[email-masked]" target=3D"_blank">[email-masked]</a>&gt; wrote=
:<br clear=3D"none"></font></div>  <br clear=3D"none"><br clear=3D"none"> <d=
iv class=3D"m_-3671314450992527492m_-6928659416193145832yiv8608138712y_msg_c=
ontainer"><div dir=3D"ltr">I doubt if a break-in procedure could have preven=
ted failure, but as Marcel says, checking the temperature of the diff could h=
ave stopped the damage. The likely culprits are incorrect engagement or bad p=
arts, but anything that heats the gears enough to cook the oil off the parts=
 will kill the gears. I had a close call with one of the gear sets I use. Ap=
parently I screwed up somewhere in checking fit=E2=80=94when I pulled the re=
ar end to assess the problem there was no backlash. I have a huge finned dif=
ferential cover so checking temperature doesn=E2=80=99t help, but I could fe=
el the car slowing quickly between shifts. Fortunately I wasn=E2=80=99t doin=
g my usual clutchless shifts and noticed the sudden deceleration every time I=
 disengaged the clutch. The gear teeth were slightly blued and the oil smell=
ed like a cesspool, but the gears were still usable once I did the setup pro=
perly. <br clear=3D"none"><br clear=3D"none">Bill<br clear=3D"none"> <br cle=
ar=3D"none">&gt; On Sep 5, 2018, at 1:48 AM, van.mulders.marcel--- via Fot &=
lt;<a rel=3D"nofollow" shape=3D"rect" href=3D"mailto:[email-masked]" tar=
get=3D"_blank">[email-masked]</a>&gt; wrote:<br clear=3D"none">&gt; <br c=
lear=3D"none">&gt; <br clear=3D"none">&gt; <br clear=3D"none">&gt; ----- Doo=
rgestuurd bericht -----<br clear=3D"none">&gt; Van: "van mulders marcel" &lt=
;<a rel=3D"nofollow" shape=3D"rect" href=3D"mailto:van.mulders.marcel@telene=
t.be" target=3D"_blank">[email-masked]</a>&gt;<br clear=3D"no=
ne">&gt; Aan: "Greg Blake" &lt;<a rel=3D"nofollow" shape=3D"rect" href=3D"ma=
ilto:[email-masked]" target=3D"_blank">[email-masked]</a>&gt=
;<br clear=3D"none">&gt; Verzonden: Woensdag 5 september 2018 10:47:59<br cl=
ear=3D"none">&gt; Onderwerp: Re: [Fot] Crown and pinion gear break in<br cle=
ar=3D"none">&gt; <br clear=3D"none">&gt; I think it is good measure to check=
 the heat of the differential casing after a few laps when the pinion and cr=
ownwheel are freshly mounted : when the casing gets very hot, something is w=
rong : or the parts are bad or they are mounted not correctly<br clear=3D"no=
ne">&gt; There are at least 2 manufactures of the TR parts, I forgot about t=
he names. As far as I know, used original parts are running cooler than some=
 of the aftermarked parts. How was the noise of the diff? Did you notice the=
 smell during the first laps?<br clear=3D"none">&gt; Marcel<br clear=3D"none=
">&gt; <br clear=3D"none">&gt; ----- Oorspronkelijk bericht -----<br clear=3D=
"none">&gt; Van: "fot" &lt;<a rel=3D"nofollow" shape=3D"rect" href=3D"mailto=
:[email-masked]" target=3D"_blank">[email-masked]</a>&gt;<br clear=3D=
"none">&gt; Aan: "fot" &lt;<a rel=3D"nofollow" shape=3D"rect" href=3D"mailto=
:[email-masked]" target=3D"_blank">[email-masked]</a>&gt;<br clear=3D=
"none">&gt; Verzonden: Woensdag 5 september 2018 03:25:39<br clear=3D"none">=
&gt; Onderwerp: [Fot] Crown and pinion gear break in<br clear=3D"none">&gt; <=
br clear=3D"none">&gt; I would love to here the FOT experience in breaking i=
n new differential gears. What has worked well for you in the past?&nbsp; <b=
r clear=3D"none">&gt; <br clear=3D"none">&gt; Last weekend, I was running th=
e TR3 at Hallett with a brand new 4.55 gear set and it failed. I probably go=
t 30 laps total in 4 sessions on track. I did not think to follow any set br=
eak in procedure with the gears and I am wondering if that is why they faile=
d. <br clear=3D"none">&gt; <br clear=3D"none">&gt; I am interested in the li=
sts experience with brand new or new old stock ring and pinion break in. <br=
 clear=3D"none">&gt; <br clear=3D"none">&gt; Here is a pic of the failed set=
. <br clear=3D"none">&gt; <br clear=3D"none">&gt; <br clear=3D"none">&gt; <b=
r clear=3D"none">&gt; [image/jpeg:image1.jpeg]<br clear=3D"none">&gt; <br cl=
ear=3D"none">&gt; <br clear=3D"none">&gt; <br clear=3D"none">&gt; Sent from m=
y iPhone<br clear=3D"none">&gt; ____________________________________________=
___<br clear=3D"none">&gt; <a rel=3D"nofollow" shape=3D"rect" href=3D"mailto=
:[email-masked]" target=3D"_blank">[email-masked]</a><br clear=3D"no=
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ions/fot/[email-masked]</a><div class=3D"m_-3671314450992527492m_-692865=
9416193145832yiv8608138712yqt5699898352" id=3D"m_-3671314450992527492m_-6928=
659416193145832yiv8608138712yqtfd98926"><br clear=3D"none">&gt; <br clear=3D=
"none">&gt; <br clear=3D"none"><br clear=3D"none">__________________________=
_____________________<br clear=3D"none"><a rel=3D"nofollow" shape=3D"rect" h=
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"m_-3671314450992527492m_-6928659416193145832yqt3328800303" id=3D"m_-3671314=
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--===============1973972290881087576==--

---

From: barry rosenberg via Fot <[email-masked]>
Date: Sun, 9 Sep 2018 21:27:59 +0000 (UTC)

------=_Part_1972618_1656719467.1536528479495
	boundary="----=_Part_1972617_1706704943.1536528479459"

------=_Part_1972617_1706704943.1536528479459
Content-Transfer-Encoding: quoted-printable

There is a factory set of tools that one uses to measure pinion depth befor=
e taking a diff apart. Then you set the new pinion at the same depth plus o=
r minus the number on the gear.
Barry

      From: John Styduhar via Fot <[email-masked]>
 To: Greg Blake <[email-masked]>=20
Cc: Triumph 'Friends of Triumph <[email-masked]>
 Sent: Sunday, September 9, 2018 5:12 PM
 Subject: Re: [Fot] Fwd: Crown and pinion gear break in
  =20
The "92" is the "matched set" number and should correspond with the set num=
ber on the ring gear.=C2=A0 The other number is the difference in pinion sh=
imming from the "normal".=C2=A0 =C2=A0 Haha, what is normal?

On Sat, Sep 8, 2018 at 12:33 AM Greg Blake via Fot <[email-masked]> wro=
te:

Ok guys and gals.=C2=A0
Here is a pic of the new pinion head. What do I do with the number on the p=
inion head?=C2=A0
Thanks.=C2=A0

Sent from my iPhone

I have a 4.88 ring and pinion in a box. My Triumph club is running the VTR =
National near Austin next year and I've been volunteered to head up the aut=
ocross. I think I'll build a diff with it and put it in the Beandito, and s=
ell tickets!=C2=A0
Bob Kramer
On Fri, Sep 7, 2018 at 8:37 AM, barry rosenberg via Fot <[email-masked]=
> wrote:

Wasn't this the new set of gears? If so, they were new old stock from Engla=
nd. They once belonged to Jim Ealy, who owned a black, 1966 TR4A race car. =
I bought his junk yard to get his race car and the gears were new in the bo=
x. I knew him since 1973 and he had the gears then. I had them until recent=
ly. I would not think that back then there were cheap reproduction gears av=
ailable. He had 4:11, the 4:55 and 4:88 (great fun but useless). The 4:11 w=
ent in the car when I sold it, the 4:88 were put in a locked diff and playe=
d with on the street; the 4:55 sat on a shelf for all those years. If the d=
iff still had fluid in it, then it has to be improper set up, unfortunately=
.
Barry

      From: Greg Blake via Fot <[email-masked]>
 To: Fot <[email-masked]>=20
Cc: fot <[email-masked]>
 Sent: Friday, September 7, 2018 6:14 AM
 Subject: Re: [Fot] Fwd: Crown and pinion gear break in
 =20
Thanks guys for all the feedback.=C2=A0
So far I have only put the car in the air and pulled the cover. There is am=
ple evidence of excessive heat so something went wrong with my setup.=C2=A0
I might get the chance to pull it all out of the car and take some measurem=
ents on Sunday. Once I do, I=E2=80=99ll share my original setup notes and w=
hat I measure upon disassembly.
On a related note. I ordered a new gear set from Rimmer on Monday and it ar=
rived in Austin today, standard shipping. Amazing. Way faster than some of =
our domestic suppliers.=C2=A0
This new gear set was supplied by Bastuck. Hopefully lasts a little longer.=
 =C2=A0
Sent from my iPhone
On Sep 6, 2018, at 7:41 AM, Rick Parent via Fot <[email-masked]> wrote:

Looks like the pinion was way to deep.=20

    On Thursday, September 6, 2018 6:38 AM, Bill via Fot <[email-masked]=
t> wrote:
=20

 I doubt if a break-in procedure could have prevented failure, but as Marce=
l says, checking the temperature of the diff could have stopped the damage.=
 The likely culprits are incorrect engagement or bad parts, but anything th=
at heats the gears enough to cook the oil off the parts will kill the gears=
. I had a close call with one of the gear sets I use. Apparently I screwed =
up somewhere in checking fit=E2=80=94when I pulled the rear end to assess t=
he problem there was no backlash. I have a huge finned differential cover s=
o checking temperature doesn=E2=80=99t help, but I could feel the car slowi=
ng quickly between shifts. Fortunately I wasn=E2=80=99t doing my usual clut=
chless shifts and noticed the sudden deceleration every time I disengaged t=
he clutch. The gear teeth were slightly blued and the oil smelled like a ce=
sspool, but the gears were still usable once I did the setup properly.=20

Bill
=20
> On Sep 5, 2018, at 1:48 AM, van.mulders.marcel--- via Fot <[email-masked]=
.net> wrote:
> I think it is good measure to check the heat of the differential casing a=
fter a few laps when the pinion and crownwheel are freshly mounted : when t=
he casing gets very hot, something is wrong : or the parts are bad or they =
are mounted not correctly
> There are at least 2 manufactures of the TR parts, I forgot about the nam=
es. As far as I know, used original parts are running cooler than some of t=
he aftermarked parts. How was the noise of the diff? Did you notice the sme=
ll during the first laps?
> I would love to here the FOT experience in breaking in new differential g=
ears. What has worked well for you in the past?=C2=A0=20
>=20
> Last weekend, I was running the TR3 at Hallett with a brand new 4.55 gear=
 set and it failed. I probably got 30 laps total in 4 sessions on track. I =
did not think to follow any set break in procedure with the gears and I am =
wondering if that is why they failed.=20
>=20
> I am interested in the lists experience with brand new or new old stock r=
ing and pinion break in.=20
> Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/van.mulders=
[email-masked]
> Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/bill@ponost=
yle.com

tt.net

  =20

cloud.com

south.net

  =20

il.com

il.com

south.net

  =20
------=_Part_1972617_1706704943.1536528479459
Content-Transfer-Encoding: quoted-printable

<html><head></head><body><div style=3D"color:#000; background-color:#fff; f=
ont-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font=
-size:13px"><div dir=3D"ltr" id=3D"yui_3_16_0_ym19_1_1536526013624_12402"><=
span id=3D"yui_3_16_0_ym19_1_1536526013624_12401">There is a factory set of=
 tools that one uses to measure pinion depth before taking a diff apart. Th=
en you set the new pinion at the same depth plus or minus the number on the=
 gear.</span></div><div dir=3D"ltr" id=3D"yui_3_16_0_ym19_1_1536526013624_1=
2404"><span><br></span></div><div dir=3D"ltr" id=3D"yui_3_16_0_ym19_1_15365=
26013624_12407"><span>Barry</span></div><div class=3D"qtdSeparateBR" id=3D"=
yui_3_16_0_ym19_1_1536526013624_12406"><br><br></div><div class=3D"yahoo_qu=
oted" id=3D"yui_3_16_0_ym19_1_1536526013624_12469" style=3D"display: block;=
">  <div style=3D"font-family: Helvetica Neue, Helvetica, Arial, Lucida Gra=
nde, sans-serif; font-size: 13px;" id=3D"yui_3_16_0_ym19_1_1536526013624_12=
468"> <div style=3D"font-family: HelveticaNeue, Helvetica Neue, Helvetica, =
Arial, Lucida Grande, sans-serif; font-size: 16px;" id=3D"yui_3_16_0_ym19_1=
_1536526013624_12467"> <div dir=3D"ltr" id=3D"yui_3_16_0_ym19_1_15365260136=
24_12466"> <font size=3D"2" face=3D"Arial"> <hr size=3D"1"> <b><span style=
=3D"font-weight:bold;">From:</span></b> John Styduhar via Fot &lt;fot@autox=
.team.net&gt;<br> <b><span style=3D"font-weight: bold;">To:</span></b> Greg=
 Blake &lt;[email-masked]&gt; <br><b><span style=3D"font-weight: bo=
ld;">Cc:</span></b> Triumph 'Friends of Triumph &lt;[email-masked]&gt;<=
br> <b><span style=3D"font-weight: bold;">Sent:</span></b> Sunday, Septembe=
r 9, 2018 5:12 PM<br> <b><span style=3D"font-weight: bold;">Subject:</span>=
</b> Re: [Fot] Fwd: Crown and pinion gear break in<br> </font> </div> <div =
class=3D"y_msg_container" id=3D"yui_3_16_0_ym19_1_1536526013624_12473"><br>=
<div id=3D"yiv0604855335"><div id=3D"yui_3_16_0_ym19_1_1536526013624_12472"=
><div dir=3D"ltr" id=3D"yui_3_16_0_ym19_1_1536526013624_12471"><div class=
=3D"yiv0604855335gmail_default" style=3D"font-size:small;">The "92" is the =
"matched set" number and should correspond with the set number on the ring =
gear.&nbsp; The other number is the difference in pinion shimming from the =
"normal".&nbsp; &nbsp; Haha, what is normal?</div><div class=3D"yiv06048553=
35gmail_default" style=3D"font-size:small;" id=3D"yui_3_16_0_ym19_1_1536526=
013624_12470"><br clear=3D"none"></div></div><br clear=3D"none"><div class=
=3D"yiv0604855335gmail_quote" id=3D"yui_3_16_0_ym19_1_1536526013624_12476">=
<div class=3D"yiv0604855335yqt8106787341" id=3D"yiv0604855335yqt70545"><div=
 dir=3D"ltr" id=3D"yui_3_16_0_ym19_1_1536526013624_12475">On Sat, Sep 8, 20=
18 at 12:33 AM Greg Blake via Fot &lt;<a rel=3D"nofollow" shape=3D"rect" ym=
ailto=3D"mailto:[email-masked]" target=3D"_blank" href=3D"mailto:fot@au=
tox.team.net">[email-masked]</a>&gt; wrote:<br clear=3D"none"></div><bl=
ockquote class=3D"yiv0604855335gmail_quote" style=3D"margin:0 0 0 .8ex;bord=
er-left:1px #ccc solid;padding-left:1ex;" id=3D"yui_3_16_0_ym19_1_153652601=
3624_12480"><div id=3D"yui_3_16_0_ym19_1_1536526013624_12479">Ok guys and g=
als.&nbsp;<div id=3D"yui_3_16_0_ym19_1_1536526013624_12478"><br clear=3D"no=
ne"></div><div id=3D"yui_3_16_0_ym19_1_1536526013624_12487">Here is a pic o=
f the new pinion head. What do I do with the number on the pinion head?&nbs=
p;</div><div><img id=3D"yiv0604855335m_-3671314450992527492D0E321B3-529F-40=
9C-BF60-3D743DEB9A62" src=3D"" alt=3D"image1.jpeg" data-id=3D"d2a69a8d-38b9=
-dcab-6106-041fbb8ae34e"><br clear=3D"none"></div><div>Thanks.&nbsp;</div><=
div id=3D"yui_3_16_0_ym19_1_1536526013624_12490"><br clear=3D"none"><br cle=
ar=3D"none"><div id=3D"yiv0604855335m_-3671314450992527492AppleMailSignatur=
e">Sent from my iPhone</div><div id=3D"yui_3_16_0_ym19_1_1536526013624_1248=
9"><br clear=3D"none">On Sep 7, 2018, at 1:07 PM, Bob Kramer &lt;<a rel=3D"=
nofollow" shape=3D"rect" ymailto=3D"mailto:[email-masked]" target=3D"_=
blank" href=3D"mailto:[email-masked]">[email-masked]</a>&gt; wrot=
e:<br clear=3D"none"><br clear=3D"none"></div><blockquote type=3D"cite" id=
=3D"yui_3_16_0_ym19_1_1536526013624_12496"><div id=3D"yui_3_16_0_ym19_1_153=
6526013624_12495"><div dir=3D"ltr" id=3D"yui_3_16_0_ym19_1_1536526013624_12=
494">I have a 4.88 ring and pinion in a box. My Triumph club is running the=
 VTR National near Austin next year and I've been volunteered to head up th=
e autocross. I think I'll build a diff with it and put it in the Beandito, =
and sell tickets!&nbsp;</div><div class=3D"yiv0604855335gmail_extra" id=3D"=
yui_3_16_0_ym19_1_1536526013624_12502"><br clear=3D"all"><div><div class=3D=
"yiv0604855335m_-3671314450992527492gmail_signature"><div dir=3D"ltr">Bob K=
ramer</div></div></div>
<br clear=3D"none"><div class=3D"yiv0604855335gmail_quote" id=3D"yui_3_16_0=
_ym19_1_1536526013624_12501">On Fri, Sep 7, 2018 at 8:37 AM, barry rosenber=
g via Fot <span dir=3D"ltr">&lt;<a rel=3D"nofollow" shape=3D"rect" ymailto=
=3D"mailto:[email-masked]" target=3D"_blank" href=3D"mailto:[email-masked]=
eam.net">[email-masked]</a>&gt;</span> wrote:<br clear=3D"none"><blockq=
uote class=3D"yiv0604855335gmail_quote" style=3D"margin:0 0 0 .8ex;border-l=
eft:1px #ccc solid;padding-left:1ex;" id=3D"yui_3_16_0_ym19_1_1536526013624=
_12500"><div id=3D"yui_3_16_0_ym19_1_1536526013624_12499"><div style=3D"col=
or:#000;background-color:#fff;font-family:Helvetica Neue, Helvetica, Arial,=
 Lucida Grande, sans-serif;font-size:13px;" id=3D"yui_3_16_0_ym19_1_1536526=
013624_12498"><div id=3D"yiv0604855335m_-3671314450992527492m_-692865941619=
3145832yui_3_16_0_ym19_1_1536326086781_12427"><span id=3D"yiv0604855335m_-3=
671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_124=
26">Wasn't this the new set of gears? If so, they were new old stock from E=
ngland. They once belonged to Jim Ealy, who owned a black, 1966 TR4A race c=
ar. I bought his junk yard to get his race car and the gears were new in th=
e box. I knew him since 1973 and he had the gears then. I had them until re=
cently. I would not think that back then there were cheap reproduction gear=
s available. He had 4:11, the 4:55 and 4:88 (great fun but useless). The 4:=
11 went in the car when I sold it, the 4:88 were put in a locked diff and p=
layed with on the street; the 4:55 sat on a shelf for all those years. If t=
he diff still had fluid in it, then it has to be improper set up, unfortuna=
tely.</span></div><div id=3D"yiv0604855335m_-3671314450992527492m_-69286594=
16193145832yui_3_16_0_ym19_1_1536326086781_12427"><span><br clear=3D"none">=
</span></div><div id=3D"yiv0604855335m_-3671314450992527492m_-6928659416193=
145832yui_3_16_0_ym19_1_1536326086781_12427"><span>Barry</span></div><div c=
lass=3D"yiv0604855335m_-3671314450992527492m_-6928659416193145832qtdSeparat=
eBR" id=3D"yiv0604855335m_-3671314450992527492m_-6928659416193145832yui_3_1=
6_0_ym19_1_1536326086781_12440"><br clear=3D"none"><br clear=3D"none"></div=
><div class=3D"yiv0604855335m_-3671314450992527492m_-6928659416193145832yah=
oo_quoted" id=3D"yiv0604855335m_-3671314450992527492m_-6928659416193145832y=
ui_3_16_0_ym19_1_1536326086781_12446" style=3D"display:block;">  <div id=3D=
"yiv0604855335m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1=
_1536326086781_12445" style=3D"font-family:Helvetica Neue, Helvetica, Arial=
, Lucida Grande, sans-serif;font-size:13px;"> <div id=3D"yiv0604855335m_-36=
71314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_1244=
4" style=3D"font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lu=
cida Grande, sans-serif;font-size:16px;"> <div dir=3D"ltr" id=3D"yiv0604855=
335m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086=
781_12443"> <font id=3D"yiv0604855335m_-3671314450992527492m_-6928659416193=
145832yui_3_16_0_ym19_1_1536326086781_12442" size=3D"2" face=3D"Arial"> </f=
ont><hr id=3D"yiv0604855335m_-3671314450992527492m_-6928659416193145832yui_=
3_16_0_ym19_1_1536326086781_12441" size=3D"1"> <b><span style=3D"font-weigh=
t:bold;">From:</span></b> Greg Blake via Fot &lt;<a rel=3D"nofollow" shape=
=3D"rect" ymailto=3D"mailto:[email-masked]" target=3D"_blank" href=3D"m=
ailto:[email-masked]" id=3D"yui_3_16_0_ym19_1_1536526013624_12509">fot@=
autox.team.net</a>&gt;<br clear=3D"none"> <b><span style=3D"font-weight:bol=
d;">To:</span></b> Fot &lt;<a rel=3D"nofollow" shape=3D"rect" ymailto=3D"ma=
ilto:[email-masked]" target=3D"_blank" href=3D"mailto:[email-masked]=
t">[email-masked]</a>&gt; <br clear=3D"none"><b><span style=3D"font-wei=
ght:bold;">Cc:</span></b> fot &lt;<a rel=3D"nofollow" shape=3D"rect" ymailt=
o=3D"mailto:[email-masked]" target=3D"_blank" href=3D"mailto:fot@autox.=
team.net">[email-masked]</a>&gt;<br clear=3D"none"> <b><span style=3D"f=
ont-weight:bold;">Sent:</span></b> Friday, September 7, 2018 6:14 AM<br cle=
ar=3D"none"> <b><span style=3D"font-weight:bold;">Subject:</span></b> Re: [=
Fot] Fwd:  Crown and pinion gear break in<br clear=3D"none">  </div> <div c=
lass=3D"yiv0604855335m_-3671314450992527492m_-6928659416193145832y_msg_cont=
ainer" id=3D"yiv0604855335m_-3671314450992527492m_-6928659416193145832yui_3=
_16_0_ym19_1_1536326086781_13039"><br clear=3D"none"><div id=3D"yiv06048553=
35m_-3671314450992527492m_-6928659416193145832yiv8608138712"><div id=3D"yiv=
0604855335m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_153=
6326086781_13040">Thanks guys for all the feedback.&nbsp;<div id=3D"yiv0604=
855335m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326=
086781_13041"><br clear=3D"none"></div><div id=3D"yiv0604855335m_-367131445=
0992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_13042">So f=
ar I have only put the car in the air and pulled the cover. There is ample =
evidence of excessive heat so something went wrong with my setup.&nbsp;</di=
v><div id=3D"yiv0604855335m_-3671314450992527492m_-6928659416193145832yui_3=
_16_0_ym19_1_1536326086781_13043"><br clear=3D"none"></div><div id=3D"yiv06=
04855335m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_15363=
26086781_13044">I might get the chance to pull it all out of the car and ta=
ke some measurements on Sunday. Once I do, I=E2=80=99ll share my original s=
etup notes and what I measure upon disassembly.</div><div id=3D"yiv06048553=
35m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_15363260867=
81_13045"><br clear=3D"none"></div><div id=3D"yiv0604855335m_-3671314450992=
527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_13046">On a rel=
ated note. I ordered a new gear set from Rimmer on Monday and it arrived in=
 Austin today, standard shipping. Amazing. Way faster than some of our dome=
stic suppliers.&nbsp;</div><div><br clear=3D"none"></div><div>This new gear=
 set was supplied by Bastuck. Hopefully lasts a little longer. &nbsp;</div>=
<div id=3D"yui_3_16_0_ym19_1_1536526013624_12515"><br clear=3D"none"><div i=
d=3D"yiv0604855335m_-3671314450992527492m_-6928659416193145832yiv8608138712=
AppleMailSignature">Sent from my iPhone</div><div class=3D"yiv0604855335m_-=
3671314450992527492m_-6928659416193145832yiv8608138712yqt3328800303" id=3D"=
yiv0604855335m_-3671314450992527492m_-6928659416193145832yiv8608138712yqt60=
981"><div><br clear=3D"none">On Sep 6, 2018, at 7:41 AM, Rick Parent via Fo=
t &lt;<a rel=3D"nofollow" shape=3D"rect" ymailto=3D"mailto:[email-masked]=
et" target=3D"_blank" href=3D"mailto:[email-masked]">[email-masked]=
</a>&gt; wrote:<br clear=3D"none"><br clear=3D"none"></div><blockquote type=
=3D"cite" id=3D"yui_3_16_0_ym19_1_1536526013624_12523"><div id=3D"yui_3_16_=
0_ym19_1_1536526013624_12522"><div style=3D"color:#000;background-color:#ff=
f;font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;f=
ont-size:13px;" id=3D"yui_3_16_0_ym19_1_1536526013624_12521"><div id=3D"yiv=
0604855335m_-3671314450992527492m_-6928659416193145832yiv8608138712yui_3_16=
_0_ym19_1_1536237470748_10096"><span id=3D"yiv0604855335m_-3671314450992527=
492m_-6928659416193145832yiv8608138712yui_3_16_0_ym19_1_1536237470748_10136=
">Looks like the pinion was way to deep.</span></div> <div class=3D"yiv0604=
855335m_-3671314450992527492m_-6928659416193145832yiv8608138712qtdSeparateB=
R"><br clear=3D"none"><br clear=3D"none"></div><div class=3D"yiv0604855335m=
_-3671314450992527492m_-6928659416193145832yiv8608138712yahoo_quoted" style=
=3D"display:block;" id=3D"yui_3_16_0_ym19_1_1536526013624_12520"> <div styl=
e=3D"font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-seri=
f;font-size:13px;" id=3D"yui_3_16_0_ym19_1_1536526013624_12519"> <div style=
=3D"font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Gra=
nde, sans-serif;font-size:16px;" id=3D"yui_3_16_0_ym19_1_1536526013624_1251=
8"> <div dir=3D"ltr"><font size=3D"2" face=3D"Arial"> On Thursday, Septembe=
r 6, 2018 6:38 AM, Bill via Fot &lt;<a rel=3D"nofollow" shape=3D"rect" ymai=
lto=3D"mailto:[email-masked]" target=3D"_blank" href=3D"mailto:fot@auto=
x.team.net">[email-masked]</a>&gt; wrote:<br clear=3D"none"></font></di=
v>  <br clear=3D"none"><br clear=3D"none"> <div class=3D"yiv0604855335m_-36=
71314450992527492m_-6928659416193145832yiv8608138712y_msg_container" id=3D"=
yui_3_16_0_ym19_1_1536526013624_12517"><div dir=3D"ltr" id=3D"yui_3_16_0_ym=
19_1_1536526013624_12516">I doubt if a break-in procedure could have preven=
ted failure, but as Marcel says, checking the temperature of the diff could=
 have stopped the damage. The likely culprits are incorrect engagement or b=
ad parts, but anything that heats the gears enough to cook the oil off the =
parts will kill the gears. I had a close call with one of the gear sets I u=
se. Apparently I screwed up somewhere in checking fit=E2=80=94when I pulled=
 the rear end to assess the problem there was no backlash. I have a huge fi=
nned differential cover so checking temperature doesn=E2=80=99t help, but I=
 could feel the car slowing quickly between shifts. Fortunately I wasn=E2=
=80=99t doing my usual clutchless shifts and noticed the sudden deceleratio=
n every time I disengaged the clutch. The gear teeth were slightly blued an=
d the oil smelled like a cesspool, but the gears were still usable once I d=
id the setup properly. <br clear=3D"none"><br clear=3D"none">Bill<br clear=
=3D"none"> <br clear=3D"none">&gt; On Sep 5, 2018, at 1:48 AM, van.mulders.=
marcel--- via Fot &lt;<a rel=3D"nofollow" shape=3D"rect" ymailto=3D"mailto:=
[email-masked]" target=3D"_blank" href=3D"mailto:[email-masked]">fo=
[email-masked]</a>&gt; wrote:<br clear=3D"none">&gt; <br clear=3D"none">&=
gt; <br clear=3D"none">&gt; <br clear=3D"none">&gt; ----- Doorgestuurd beri=
cht -----<br clear=3D"none">&gt; Van: "van mulders marcel" &lt;<a rel=3D"no=
follow" shape=3D"rect" ymailto=3D"mailto:[email-masked]" tar=
get=3D"_blank" href=3D"mailto:[email-masked]">van.mulders.ma=
[email-masked]</a>&gt;<br clear=3D"none">&gt; Aan: "Greg Blake" &lt;<a rel=
=3D"nofollow" shape=3D"rect" ymailto=3D"mailto:[email-masked]" targ=
et=3D"_blank" href=3D"mailto:[email-masked]">[email-masked]=
</a>&gt;<br clear=3D"none">&gt; Verzonden: Woensdag 5 september 2018 10:47:=
59<br clear=3D"none">&gt; Onderwerp: Re: [Fot] Crown and pinion gear break =
in<br clear=3D"none">&gt; <br clear=3D"none">&gt; I think it is good measur=
e to check the heat of the differential casing after a few laps when the pi=
nion and crownwheel are freshly mounted : when the casing gets very hot, so=
mething is wrong : or the parts are bad or they are mounted not correctly<b=
r clear=3D"none">&gt; There are at least 2 manufactures of the TR parts, I =
forgot about the names. As far as I know, used original parts are running c=
ooler than some of the aftermarked parts. How was the noise of the diff? Di=
d you notice the smell during the first laps?<br clear=3D"none">&gt; Marcel=
<br clear=3D"none">&gt; <br clear=3D"none">&gt; ----- Oorspronkelijk berich=
t -----<br clear=3D"none">&gt; Van: "fot" &lt;<a rel=3D"nofollow" shape=3D"=
rect" ymailto=3D"mailto:[email-masked]" target=3D"_blank" href=3D"mailt=
o:[email-masked]">[email-masked]</a>&gt;<br clear=3D"none">&gt; Aan=
: "fot" &lt;<a rel=3D"nofollow" shape=3D"rect" ymailto=3D"mailto:fot@autox.=
team.net" target=3D"_blank" href=3D"mailto:[email-masked]">[email-masked]=
am.net</a>&gt;<br clear=3D"none">&gt; Verzonden: Woensdag 5 september 2018 =
03:25:39<br clear=3D"none">&gt; Onderwerp: [Fot] Crown and pinion gear brea=
k in<br clear=3D"none">&gt; <br clear=3D"none">&gt; I would love to here th=
e FOT experience in breaking in new differential gears. What has worked wel=
l for you in the past?&nbsp; <br clear=3D"none">&gt; <br clear=3D"none">&gt=
; Last weekend, I was running the TR3 at Hallett with a brand new 4.55 gear=
 set and it failed. I probably got 30 laps total in 4 sessions on track. I =
did not think to follow any set break in procedure with the gears and I am =
wondering if that is why they failed. <br clear=3D"none">&gt; <br clear=3D"=
none">&gt; I am interested in the lists experience with brand new or new ol=
d stock ring and pinion break in. <br clear=3D"none">&gt; <br clear=3D"none=
">&gt; Here is a pic of the failed set. <br clear=3D"none">&gt; <br clear=
=3D"none">&gt; <br clear=3D"none">&gt; <br clear=3D"none">&gt; [image/jpeg:=
image1.jpeg]<br clear=3D"none">&gt; <br clear=3D"none">&gt; <br clear=3D"no=
ne">&gt; <br clear=3D"none">&gt; Sent from my iPhone<br clear=3D"none">&gt;=
 _______________________________________________<br clear=3D"none">&gt; <a =
rel=3D"nofollow" shape=3D"rect" ymailto=3D"mailto:[email-masked]" targe=
t=3D"_blank" href=3D"mailto:[email-masked]">[email-masked]</a><br c=
lear=3D"none">&gt; <br clear=3D"none">&gt; <a rel=3D"nofollow" shape=3D"rec=
t" target=3D"_blank" href=3D"http://www.fot-racing.com/">http://www.fot-rac=
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---

From: John Styduhar via Fot <[email-masked]>
Date: Sun, 9 Sep 2018 20:06:07 -0400

--===============5706627065155233059==

--0000000000006ef7e8057579203d
Content-Transfer-Encoding: quoted-printable

Barry, when you are measuring TR pinion depth, where are you measuring from
and to?  The TR3 manual only has the dimension from the front face of the
pinion to the center of the ring gear which would be impossible to measure
directly with the pinion gear installed.

On Sun, Sep 9, 2018 at 5:28 PM barry rosenberg <[email-masked]>
wrote:

> There is a factory set of tools that one uses to measure pinion depth
> before taking a diff apart. Then you set the new pinion at the same depth
> plus or minus the number on the gear.
>
> Barry
>
>
> *From:* John Styduhar via Fot <[email-masked]>
> *To:* Greg Blake <[email-masked]>
> *Cc:* Triumph 'Friends of Triumph <[email-masked]>
> *Sent:* Sunday, September 9, 2018 5:12 PM
R
> England. They once belonged to Jim Ealy, who owned a black, 1966 TR4A rac=
e
> car. I bought his junk yard to get his race car and the gears were new in
> the box. I knew him since 1973 and he had the gears then. I had them unti=
l
> The 4:11 went in the car when I sold it, the 4:88 were put in a locked di=
ff
> and played with on the street; the 4:55 sat on a shelf for all those year=
s.
> measurements on Sunday. Once I do, I=E2=80=99ll share my original setup n=
otes and
> arrived in Austin today, standard shipping. Amazing. Way faster than some
> On Thursday, September 6, 2018 6:38 AM, Bill via Fot <[email-masked]>
> wrote:
>
>
> Apparently I screwed up somewhere in checking fit=E2=80=94when I pulled t=
he rear
> differential cover so checking temperature doesn=E2=80=99t help, but I co=
uld feel
> the car slowing quickly between shifts. Fortunately I wasn=E2=80=99t doin=
g my usual
> > I think it is good measure to check the heat of the differential casing
> after a few laps when the pinion and crownwheel are freshly mounted : whe=
n
> the casing gets very hot, something is wrong : or the parts are bad or th=
ey
> names. As far as I know, used original parts are running cooler than some
> of the aftermarked parts. How was the noise of the diff? Did you notice t=
he
> > I would love to here the FOT experience in breaking in new differential
> track. I did not think to follow any set break in procedure with the gear=
s
> > I am interested in the lists experience with brand new or new old stock

--0000000000006ef7e8057579203d
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-size:small">Bar=
ry, when you are measuring TR pinion depth, where are you measuring from an=
d to?=C2=A0 The TR3 manual only has the dimension from the front face of th=
e pinion to the center of the ring gear which would be impossible to measur=
e directly with the pinion gear installed.=C2=A0 =C2=A0</div></div><div dir=
=3D"ltr"><div class=3D"gmail_default" style=3D"font-size:small"><br></div><=
div class=3D"gmail_default" style=3D"font-size:small"><br></div></div><br><=
div class=3D"gmail_quote"><div dir=3D"ltr">On Sun, Sep 9, 2018 at 5:28 PM b=
arry rosenberg &lt;<a href=3D"mailto:[email-masked]" target=3D"_bla=
nk">[email-masked]</a>&gt; wrote:<br></div><blockquote class=3D"gma=
il_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-lef=
t:1ex"><div><div style=3D"color:#000;background-color:#fff;font-family:Helv=
etica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:13px"><div di=
r=3D"ltr" id=3D"m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_=
1_1536526013624_12402"><span id=3D"m_1359472020569513798m_-3544020503911685=
817yui_3_16_0_ym19_1_1536526013624_12401">There is a factory set of tools t=
hat one uses to measure pinion depth before taking a diff apart. Then you s=
et the new pinion at the same depth plus or minus the number on the gear.</=
span></div><div dir=3D"ltr" id=3D"m_1359472020569513798m_-35440205039116858=
17yui_3_16_0_ym19_1_1536526013624_12404"><span><br></span></div><div dir=3D=
"ltr" id=3D"m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_15=
36526013624_12407"><span>Barry</span></div><div class=3D"m_1359472020569513=
798m_-3544020503911685817qtdSeparateBR" id=3D"m_1359472020569513798m_-35440=
20503911685817yui_3_16_0_ym19_1_1536526013624_12406"><br><br></div><div cla=
ss=3D"m_1359472020569513798m_-3544020503911685817yahoo_quoted" id=3D"m_1359=
472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12469"=
 style=3D"display:block">  <div style=3D"font-family:Helvetica Neue,Helveti=
ca,Arial,Lucida Grande,sans-serif;font-size:13px" id=3D"m_13594720205695137=
98m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12468"> <div style=
=3D"font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,=
sans-serif;font-size:16px" id=3D"m_1359472020569513798m_-354402050391168581=
7yui_3_16_0_ym19_1_1536526013624_12467"> <div dir=3D"ltr" id=3D"m_135947202=
0569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12466"> <fo=
nt size=3D"2" face=3D"Arial"> <hr size=3D"1"> <b><span style=3D"font-weight=
:bold">From:</span></b> John Styduhar via Fot &lt;<a href=3D"mailto:fot@aut=
ox.team.net" target=3D"_blank">[email-masked]</a>&gt;<br> <b><span styl=
e=3D"font-weight:bold">To:</span></b> Greg Blake &lt;<a href=3D"mailto:gbla=
[email-masked]" target=3D"_blank">[email-masked]</a>&gt; <br><b=
><span style=3D"font-weight:bold">Cc:</span></b> Triumph &#39;Friends of Tr=
iumph &lt;<a href=3D"mailto:[email-masked]" target=3D"_blank">fot@autox=
.team.net</a>&gt;<br> <b><span style=3D"font-weight:bold">Sent:</span></b> =
Sunday, September 9, 2018 5:12 PM<br> <b><span style=3D"font-weight:bold">S=
ubject:</span></b> Re: [Fot] Fwd: Crown and pinion gear break in<br> </font=
> </div> <div class=3D"m_1359472020569513798m_-3544020503911685817y_msg_con=
tainer" id=3D"m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_=
1536526013624_12473"><br><div id=3D"m_1359472020569513798m_-354402050391168=
5817yiv0604855335"><div id=3D"m_1359472020569513798m_-3544020503911685817yu=
i_3_16_0_ym19_1_1536526013624_12472"><div dir=3D"ltr" id=3D"m_1359472020569=
513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12471"><div cla=
ss=3D"m_1359472020569513798m_-3544020503911685817yiv0604855335gmail_default=
" style=3D"font-size:small">The &quot;92&quot; is the &quot;matched set&quo=
t; number and should correspond with the set number on the ring gear.=C2=A0=
 The other number is the difference in pinion shimming from the &quot;norma=
l&quot;.=C2=A0 =C2=A0 Haha, what is normal?</div><div class=3D"m_1359472020=
569513798m_-3544020503911685817yiv0604855335gmail_default" style=3D"font-si=
ze:small" id=3D"m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_=
1_1536526013624_12470"><br clear=3D"none"></div></div><br clear=3D"none"><d=
iv class=3D"m_1359472020569513798m_-3544020503911685817yiv0604855335gmail_q=
uote" id=3D"m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_15=
36526013624_12476"><div class=3D"m_1359472020569513798m_-354402050391168581=
7yiv0604855335yqt8106787341" id=3D"m_1359472020569513798m_-3544020503911685=
817yiv0604855335yqt70545"><div dir=3D"ltr" id=3D"m_1359472020569513798m_-35=
44020503911685817yui_3_16_0_ym19_1_1536526013624_12475">On Sat, Sep 8, 2018=
 at 12:33 AM Greg Blake via Fot &lt;<a rel=3D"nofollow" shape=3D"rect" href=
=3D"mailto:[email-masked]" target=3D"_blank">[email-masked]</a>&gt;=
 wrote:<br clear=3D"none"></div><blockquote class=3D"m_1359472020569513798m=
_-3544020503911685817yiv0604855335gmail_quote" style=3D"margin:0 0 0 .8ex;b=
order-left:1px #ccc solid;padding-left:1ex" id=3D"m_1359472020569513798m_-3=
544020503911685817yui_3_16_0_ym19_1_1536526013624_12480"><div id=3D"m_13594=
72020569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12479">=
Ok guys and gals.=C2=A0<div id=3D"m_1359472020569513798m_-35440205039116858=
17yui_3_16_0_ym19_1_1536526013624_12478"><br clear=3D"none"></div><div id=
=3D"m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013=
624_12487">Here is a pic of the new pinion head. What do I do with the numb=
er on the pinion head?=C2=A0</div><div><img id=3D"m_1359472020569513798m_-3=
544020503911685817yiv0604855335m_-3671314450992527492D0E321B3-529F-409C-BF6=
0-3D743DEB9A62" alt=3D"image1.jpeg"><br clear=3D"none"></div><div>Thanks.=
=C2=A0</div><div id=3D"m_1359472020569513798m_-3544020503911685817yui_3_16_=
0_ym19_1_1536526013624_12490"><br clear=3D"none"><br clear=3D"none"><div id=
=3D"m_1359472020569513798m_-3544020503911685817yiv0604855335m_-367131445099=
2527492AppleMailSignature">Sent from my iPhone</div><div id=3D"m_1359472020=
569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12489"><br c=
lear=3D"none">On Sep 7, 2018, at 1:07 PM, Bob Kramer &lt;<a rel=3D"nofollow=
" shape=3D"rect" href=3D"mailto:[email-masked]" target=3D"_blank">rkra=
[email-masked]</a>&gt; wrote:<br clear=3D"none"><br clear=3D"none"></div><=
blockquote type=3D"cite" id=3D"m_1359472020569513798m_-3544020503911685817y=
ui_3_16_0_ym19_1_1536526013624_12496"><div id=3D"m_1359472020569513798m_-35=
44020503911685817yui_3_16_0_ym19_1_1536526013624_12495"><div dir=3D"ltr" id=
=3D"m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013=
624_12494">I have a 4.88 ring and pinion in a box. My Triumph club is runni=
ng the VTR National near Austin next year and I&#39;ve been volunteered to =
head up the autocross. I think I&#39;ll build a diff with it and put it in =
the Beandito, and sell tickets!=C2=A0</div><div class=3D"m_1359472020569513=
798m_-3544020503911685817yiv0604855335gmail_extra" id=3D"m_1359472020569513=
798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12502"><br clear=
=3D"all"><div><div class=3D"m_1359472020569513798m_-3544020503911685817yiv0=
604855335m_-3671314450992527492gmail_signature"><div dir=3D"ltr">Bob Kramer=
</div></div></div>
<br clear=3D"none"><div class=3D"m_1359472020569513798m_-354402050391168581=
7yiv0604855335gmail_quote" id=3D"m_1359472020569513798m_-354402050391168581=
7yui_3_16_0_ym19_1_1536526013624_12501">On Fri, Sep 7, 2018 at 8:37 AM, bar=
ry rosenberg via Fot <span dir=3D"ltr">&lt;<a rel=3D"nofollow" shape=3D"rec=
t" href=3D"mailto:[email-masked]" target=3D"_blank">[email-masked]<=
/a>&gt;</span> wrote:<br clear=3D"none"><blockquote class=3D"m_135947202056=
9513798m_-3544020503911685817yiv0604855335gmail_quote" style=3D"margin:0 0 =
0 .8ex;border-left:1px #ccc solid;padding-left:1ex" id=3D"m_135947202056951=
3798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12500"><div id=3D=
"m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624=
_12499"><div style=3D"color:#000;background-color:#fff;font-family:Helvetic=
a Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:13px" id=3D"m_135=
9472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12498=
"><div id=3D"m_1359472020569513798m_-3544020503911685817yiv0604855335m_-367=
1314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_12427=
"><span id=3D"m_1359472020569513798m_-3544020503911685817yiv0604855335m_-36=
71314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_1242=
6">Wasn&#39;t this the new set of gears? If so, they were new old stock fro=
m England. They once belonged to Jim Ealy, who owned a black, 1966 TR4A rac=
e car. I bought his junk yard to get his race car and the gears were new in=
 the box. I knew him since 1973 and he had the gears then. I had them until=
 recently. I would not think that back then there were cheap reproduction g=
ears available. He had 4:11, the 4:55 and 4:88 (great fun but useless). The=
 4:11 went in the car when I sold it, the 4:88 were put in a locked diff an=
d played with on the street; the 4:55 sat on a shelf for all those years. I=
f the diff still had fluid in it, then it has to be improper set up, unfort=
unately.</span></div><div id=3D"m_1359472020569513798m_-3544020503911685817=
yiv0604855335m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_=
1536326086781_12427"><span><br clear=3D"none"></span></div><div id=3D"m_135=
9472020569513798m_-3544020503911685817yiv0604855335m_-3671314450992527492m_=
-6928659416193145832yui_3_16_0_ym19_1_1536326086781_12427"><span>Barry</spa=
n></div><div class=3D"m_1359472020569513798m_-3544020503911685817yiv0604855=
335m_-3671314450992527492m_-6928659416193145832qtdSeparateBR" id=3D"m_13594=
72020569513798m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-6=
928659416193145832yui_3_16_0_ym19_1_1536326086781_12440"><br clear=3D"none"=
><br clear=3D"none"></div><div class=3D"m_1359472020569513798m_-35440205039=
11685817yiv0604855335m_-3671314450992527492m_-6928659416193145832yahoo_quot=
ed" id=3D"m_1359472020569513798m_-3544020503911685817yiv0604855335m_-367131=
4450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_12446" s=
tyle=3D"display:block">  <div id=3D"m_1359472020569513798m_-354402050391168=
5817yiv0604855335m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym1=
9_1_1536326086781_12445" style=3D"font-family:Helvetica Neue,Helvetica,Aria=
l,Lucida Grande,sans-serif;font-size:13px"> <div id=3D"m_135947202056951379=
8m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-69286594161931=
45832yui_3_16_0_ym19_1_1536326086781_12444" style=3D"font-family:HelveticaN=
eue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:16px"=
> <div dir=3D"ltr" id=3D"m_1359472020569513798m_-3544020503911685817yiv0604=
855335m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326=
086781_12443"> <font id=3D"m_1359472020569513798m_-3544020503911685817yiv06=
04855335m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_15363=
26086781_12442" size=3D"2" face=3D"Arial"> </font><hr id=3D"m_1359472020569=
513798m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-692865941=
6193145832yui_3_16_0_ym19_1_1536326086781_12441" size=3D"1"> <b><span style=
=3D"font-weight:bold">From:</span></b> Greg Blake via Fot &lt;<a rel=3D"nof=
ollow" shape=3D"rect" href=3D"mailto:[email-masked]" id=3D"m_1359472020=
569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12509" targe=
t=3D"_blank">[email-masked]</a>&gt;<br clear=3D"none"> <b><span style=
=3D"font-weight:bold">To:</span></b> Fot &lt;<a rel=3D"nofollow" shape=3D"r=
ect" href=3D"mailto:[email-masked]" target=3D"_blank">[email-masked]=
t</a>&gt; <br clear=3D"none"><b><span style=3D"font-weight:bold">Cc:</span>=
</b> fot &lt;<a rel=3D"nofollow" shape=3D"rect" href=3D"mailto:[email-masked]=
am.net" target=3D"_blank">[email-masked]</a>&gt;<br clear=3D"none"> <b>=
<span style=3D"font-weight:bold">Sent:</span></b> Friday, September 7, 2018=
 6:14 AM<br clear=3D"none"> <b><span style=3D"font-weight:bold">Subject:</s=
pan></b> Re: [Fot] Fwd:  Crown and pinion gear break in<br clear=3D"none"> =
 </div> <div class=3D"m_1359472020569513798m_-3544020503911685817yiv0604855=
335m_-3671314450992527492m_-6928659416193145832y_msg_container" id=3D"m_135=
9472020569513798m_-3544020503911685817yiv0604855335m_-3671314450992527492m_=
-6928659416193145832yui_3_16_0_ym19_1_1536326086781_13039"><br clear=3D"non=
e"><div id=3D"m_1359472020569513798m_-3544020503911685817yiv0604855335m_-36=
71314450992527492m_-6928659416193145832yiv8608138712"><div id=3D"m_13594720=
20569513798m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-6928=
659416193145832yui_3_16_0_ym19_1_1536326086781_13040">Thanks guys for all t=
he feedback.=C2=A0<div id=3D"m_1359472020569513798m_-3544020503911685817yiv=
0604855335m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_153=
6326086781_13041"><br clear=3D"none"></div><div id=3D"m_1359472020569513798=
m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-692865941619314=
5832yui_3_16_0_ym19_1_1536326086781_13042">So far I have only put the car i=
n the air and pulled the cover. There is ample evidence of excessive heat s=
o something went wrong with my setup.=C2=A0</div><div id=3D"m_1359472020569=
513798m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-692865941=
6193145832yui_3_16_0_ym19_1_1536326086781_13043"><br clear=3D"none"></div><=
div id=3D"m_1359472020569513798m_-3544020503911685817yiv0604855335m_-367131=
4450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_13044">I=
 might get the chance to pull it all out of the car and take some measureme=
nts on Sunday. Once I do, I=E2=80=99ll share my original setup notes and wh=
at I measure upon disassembly.</div><div id=3D"m_1359472020569513798m_-3544=
020503911685817yiv0604855335m_-3671314450992527492m_-6928659416193145832yui=
_3_16_0_ym19_1_1536326086781_13045"><br clear=3D"none"></div><div id=3D"m_1=
359472020569513798m_-3544020503911685817yiv0604855335m_-3671314450992527492=
m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_13046">On a related n=
ote. I ordered a new gear set from Rimmer on Monday and it arrived in Austi=
n today, standard shipping. Amazing. Way faster than some of our domestic s=
uppliers.=C2=A0</div><div><br clear=3D"none"></div><div>This new gear set w=
as supplied by Bastuck. Hopefully lasts a little longer. =C2=A0</div><div i=
d=3D"m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_153652601=
3624_12515"><br clear=3D"none"><div id=3D"m_1359472020569513798m_-354402050=
3911685817yiv0604855335m_-3671314450992527492m_-6928659416193145832yiv86081=
38712AppleMailSignature">Sent from my iPhone</div><div class=3D"m_135947202=
0569513798m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-69286=
59416193145832yiv8608138712yqt3328800303" id=3D"m_1359472020569513798m_-354=
4020503911685817yiv0604855335m_-3671314450992527492m_-6928659416193145832yi=
v8608138712yqt60981"><div><br clear=3D"none">On Sep 6, 2018, at 7:41 AM, Ri=
ck Parent via Fot &lt;<a rel=3D"nofollow" shape=3D"rect" href=3D"mailto:fot=
@autox.team.net" target=3D"_blank">[email-masked]</a>&gt; wrote:<br cle=
ar=3D"none"><br clear=3D"none"></div><blockquote type=3D"cite" id=3D"m_1359=
472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12523"=
><div id=3D"m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_15=
36526013624_12522"><div style=3D"color:#000;background-color:#fff;font-fami=
ly:Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:13px" =
id=3D"m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_15365260=
13624_12521"><div id=3D"m_1359472020569513798m_-3544020503911685817yiv06048=
55335m_-3671314450992527492m_-6928659416193145832yiv8608138712yui_3_16_0_ym=
19_1_1536237470748_10096"><span id=3D"m_1359472020569513798m_-3544020503911=
685817yiv0604855335m_-3671314450992527492m_-6928659416193145832yiv860813871=
2yui_3_16_0_ym19_1_1536237470748_10136">Looks like the pinion was way to de=
ep.</span></div> <div class=3D"m_1359472020569513798m_-3544020503911685817y=
iv0604855335m_-3671314450992527492m_-6928659416193145832yiv8608138712qtdSep=
arateBR"><br clear=3D"none"><br clear=3D"none"></div><div class=3D"m_135947=
2020569513798m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-69=
28659416193145832yiv8608138712yahoo_quoted" style=3D"display:block" id=3D"m=
_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_1=
2520"> <div style=3D"font-family:Helvetica Neue,Helvetica,Arial,Lucida Gran=
de,sans-serif;font-size:13px" id=3D"m_1359472020569513798m_-354402050391168=
5817yui_3_16_0_ym19_1_1536526013624_12519"> <div style=3D"font-family:Helve=
ticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:=
16px" id=3D"m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_15=
36526013624_12518"> <div dir=3D"ltr"><font size=3D"2" face=3D"Arial"> On Th=
ursday, September 6, 2018 6:38 AM, Bill via Fot &lt;<a rel=3D"nofollow" sha=
pe=3D"rect" href=3D"mailto:[email-masked]" target=3D"_blank">fot@autox.=
team.net</a>&gt; wrote:<br clear=3D"none"></font></div>  <br clear=3D"none"=
><br clear=3D"none"> <div class=3D"m_1359472020569513798m_-3544020503911685=
817yiv0604855335m_-3671314450992527492m_-6928659416193145832yiv8608138712y_=
msg_container" id=3D"m_1359472020569513798m_-3544020503911685817yui_3_16_0_=
ym19_1_1536526013624_12517"><div dir=3D"ltr" id=3D"m_1359472020569513798m_-=
3544020503911685817yui_3_16_0_ym19_1_1536526013624_12516">I doubt if a brea=
k-in procedure could have prevented failure, but as Marcel says, checking t=
he temperature of the diff could have stopped the damage. The likely culpri=
ts are incorrect engagement or bad parts, but anything that heats the gears=
 enough to cook the oil off the parts will kill the gears. I had a close ca=
ll with one of the gear sets I use. Apparently I screwed up somewhere in ch=
ecking fit=E2=80=94when I pulled the rear end to assess the problem there w=
as no backlash. I have a huge finned differential cover so checking tempera=
ture doesn=E2=80=99t help, but I could feel the car slowing quickly between=
 shifts. Fortunately I wasn=E2=80=99t doing my usual clutchless shifts and =
noticed the sudden deceleration every time I disengaged the clutch. The gea=
r teeth were slightly blued and the oil smelled like a cesspool, but the ge=
ars were still usable once I did the setup properly. <br clear=3D"none"><br=
 clear=3D"none">Bill<br clear=3D"none"> <br clear=3D"none">&gt; On Sep 5, 2=
018, at 1:48 AM, van.mulders.marcel--- via Fot &lt;<a rel=3D"nofollow" shap=
e=3D"rect" href=3D"mailto:[email-masked]" target=3D"_blank">[email-masked]=
eam.net</a>&gt; wrote:<br clear=3D"none">&gt; <br clear=3D"none">&gt; <br c=
lear=3D"none">&gt; <br clear=3D"none">&gt; ----- Doorgestuurd bericht -----=
<br clear=3D"none">&gt; Van: &quot;van mulders marcel&quot; &lt;<a rel=3D"n=
ofollow" shape=3D"rect" href=3D"mailto:[email-masked]" targe=
t=3D"_blank">[email-masked]</a>&gt;<br clear=3D"none">&gt; A=
an: &quot;Greg Blake&quot; &lt;<a rel=3D"nofollow" shape=3D"rect" href=3D"m=
ailto:[email-masked]" target=3D"_blank">[email-masked]</a>&=
gt;<br clear=3D"none">&gt; Verzonden: Woensdag 5 september 2018 10:47:59<br=
 clear=3D"none">&gt; Onderwerp: Re: [Fot] Crown and pinion gear break in<br=
 clear=3D"none">&gt; <br clear=3D"none">&gt; I think it is good measure to =
check the heat of the differential casing after a few laps when the pinion =
and crownwheel are freshly mounted : when the casing gets very hot, somethi=
ng is wrong : or the parts are bad or they are mounted not correctly<br cle=
ar=3D"none">&gt; There are at least 2 manufactures of the TR parts, I forgo=
t about the names. As far as I know, used original parts are running cooler=
 than some of the aftermarked parts. How was the noise of the diff? Did you=
 notice the smell during the first laps?<br clear=3D"none">&gt; Marcel<br c=
lear=3D"none">&gt; <br clear=3D"none">&gt; ----- Oorspronkelijk bericht ---=
--<br clear=3D"none">&gt; Van: &quot;fot&quot; &lt;<a rel=3D"nofollow" shap=
e=3D"rect" href=3D"mailto:[email-masked]" target=3D"_blank">[email-masked]=
eam.net</a>&gt;<br clear=3D"none">&gt; Aan: &quot;fot&quot; &lt;<a rel=3D"n=
ofollow" shape=3D"rect" href=3D"mailto:[email-masked]" target=3D"_blank=
">[email-masked]</a>&gt;<br clear=3D"none">&gt; Verzonden: Woensdag 5 s=
eptember 2018 03:25:39<br clear=3D"none">&gt; Onderwerp: [Fot] Crown and pi=
nion gear break in<br clear=3D"none">&gt; <br clear=3D"none">&gt; I would l=
ove to here the FOT experience in breaking in new differential gears. What =
has worked well for you in the past?=C2=A0 <br clear=3D"none">&gt; <br clea=
r=3D"none">&gt; Last weekend, I was running the TR3 at Hallett with a brand=
 new 4.55 gear set and it failed. I probably got 30 laps total in 4 session=
s on track. I did not think to follow any set break in procedure with the g=
ears and I am wondering if that is why they failed. <br clear=3D"none">&gt;=
 <br clear=3D"none">&gt; I am interested in the lists experience with brand=
 new or new old stock ring and pinion break in. <br clear=3D"none">&gt; <br=
 clear=3D"none">&gt; Here is a pic of the failed set. <br clear=3D"none">&g=
t; <br clear=3D"none">&gt; <br clear=3D"none">&gt; <br clear=3D"none">&gt; =
[image/jpeg:image1.jpeg]<br clear=3D"none">&gt; <br clear=3D"none">&gt; <br=
 clear=3D"none">&gt; <br clear=3D"none">&gt; Sent from my iPhone<br clear=
=3D"none">&gt; _______________________________________________<br clear=3D"=
none">&gt; <a rel=3D"nofollow" shape=3D"rect" href=3D"mailto:[email-masked]=
.net" target=3D"_blank">[email-masked]</a><br clear=3D"none">&gt; <br c=
lear=3D"none">&gt; <a rel=3D"nofollow" shape=3D"rect" href=3D"http://www.fo=
t-racing.com/" target=3D"_blank">http://www.fot-racing.com</a><br clear=3D"=
none">&gt; <br clear=3D"none">&gt; Donate: <a rel=3D"nofollow" shape=3D"rec=
t" href=3D"http://www.team.net/donate.html" target=3D"_blank">http://www.te=
am.net/donate.html</a><br clear=3D"none">&gt; Archive: <a rel=3D"nofollow" =
shape=3D"rect" href=3D"http://www.team.net/pipermail/fot" id=3D"m_135947202=
0569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12525" targ=
et=3D"_blank">http://www.team.net/pipermail/fot</a><br clear=3D"none">&gt; =
.team.net/mailman/options/fot/[email-masked]" id=3D"m_135947=
2020569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12527" t=
arget=3D"_blank">http://autox.team.net/mailman/options/fot/van.mulders.marc=
[email-masked]</a><br clear=3D"none">&gt; __________________________________=
_____________<br clear=3D"none">&gt; <a rel=3D"nofollow" shape=3D"rect" hre=
f=3D"mailto:[email-masked]" target=3D"_blank">[email-masked]</a><br=
 clear=3D"none">&gt; <br clear=3D"none">&gt; <a rel=3D"nofollow" shape=3D"r=
ect" href=3D"http://www.fot-racing.com/" target=3D"_blank">http://www.fot-r=
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---

From: Chris Marx via Fot <[email-masked]>
Date: Mon, 10 Sep 2018 08:36:05 +0200

This is a multipart message in MIME format.

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Maybe something to know about Diffs:

=20

On Triumphs, these days are two different types of gear available:

=20

1.	Gleason gears
2.	Oerlikon gears

=20

The workshop manual is referring to Gleason gear type. If you got an =
Oerlikon type of gear (the more modern one), and you try to set it up =
with the Workshop manual, then the gear will fail.

This is because, that the contact pattern, which is shown in the manual, =
is mirrored at an Oerlikon type.

=20

So most Oerlikons die of wrong contact pattern, with the pinion too deep =
in the Crown wheel, almost touching the carrier.

=20

Cheers

Chris

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vlink=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><span =
lang=3DEN-US>Maybe something to know about =
Diffs:<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>On Triumphs, these days are two different types of gear =
available:<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p><ol style=3D'margin-top:0cm' =
start=3D1 type=3D1><li class=3DMsoListParagraph =
style=3D'margin-left:0cm;mso-list:l0 level1 lfo1'><span =
lang=3DEN-US>Gleason gears<o:p></o:p></span></li><li =
class=3DMsoListParagraph style=3D'margin-left:0cm;mso-list:l0 level1 =
lfo1'><span lang=3DEN-US>Oerlikon gears<o:p></o:p></span></li></ol><p =
class=3DMsoNormal><span lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US>The workshop manual is referring to =
Gleason gear type. If you got an Oerlikon type of gear (the more modern =
one), and you try to set it up with the Workshop manual, then the gear =
will fail.<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>This is because, that the contact pattern, which is shown =
in the manual, is mirrored at an Oerlikon type.<o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US>So most Oerlikons die of wrong =
contact pattern, with the pinion too deep in the Crown wheel, almost =
touching the carrier.<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>Cheers<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>Chris<o:p></o:p></span></p></div></body></html>
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From: barry rosenberg via Fot <[email-masked]>
Date: Mon, 10 Sep 2018 09:58:21 +0000 (UTC)

--===============8631152461712022702==
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The tool has several parts. One is a temporary replacement for the pinion g=
ear and the other sits in the bearing saddles of the carrier. Both the carr=
ier and pinion are removed to use the tool. You insert the replacement pini=
on, sit the other part in the saddles and with the attached dial gauge, you=
 measure the depth of the tool. There is a lot more that goes into it but y=
ou may get the idea of how it works. Sets the depth perfect every time and =
then all you have to do is set the backlash and check for wear pattern with=
 paint or Dykem Blue. Got the tool when I bought an old British car junk ya=
rd. Also have a special tool to set valve lash within .0005" using a dial g=
auge set-up. Not sure if they need to be that accurate for our old cars.
Barry

      From: John Styduhar <[email-masked]>
 To: barry rosenberg <[email-masked]>=20
Cc: Greg Blake <[email-masked]>; Triumph 'Friends of Triumph <fot@a=
utox.team.net>
 Sent: Sunday, September 9, 2018 8:06 PM
 Subject: Re: [Fot] Fwd: Crown and pinion gear break in
  =20
Barry, when you are measuring TR pinion depth, where are you measuring from=
 and to?=C2=A0 The TR3 manual only has the dimension from the front face of=
 the pinion to the center of the ring gear which would be impossible to mea=
sure directly with the pinion gear installed.=C2=A0 =C2=A0

On Sun, Sep 9, 2018 at 5:28 PM barry rosenberg <[email-masked]> wro=
te:

Ok guys and gals.=C2=A0

Sent from my iPhone

Bill
=20
[email-masked]
yle.com

  =20

  =20

  =20

  =20
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<html><head></head><body><div style=3D"color:#000; background-color:#fff; f=
ont-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font=
-size:13px"><div dir=3D"ltr" id=3D"yui_3_16_0_ym19_1_1536572267723_6000">Th=
e tool has several parts. One is a temporary replacement for the pinion gea=
r and the other sits in the bearing saddles of the carrier. Both the carrie=
r and pinion are removed to use the tool. You insert the replacement pinion=
, sit the other part in the saddles and with the attached dial gauge, you m=
easure the depth of the tool. There is a lot more that goes into it but you=
 may get the idea of how it works. Sets the depth perfect every time and th=
en all you have to do is set the backlash and check for wear pattern with p=
aint or Dykem Blue. Got the tool when I bought an old British car junk yard=
. Also have a special tool to set valve lash within .0005" using a dial gau=
ge set-up. Not sure if they need to be that accurate for our old cars.</div=
><div dir=3D"ltr" id=3D"yui_3_16_0_ym19_1_1536572267723_6000"><br></div><di=
v dir=3D"ltr" id=3D"yui_3_16_0_ym19_1_1536572267723_6000">Barry</div><div c=
lass=3D"qtdSeparateBR" id=3D"yui_3_16_0_ym19_1_1536572267723_6001"><br><br>=
</div><div class=3D"yahoo_quoted" id=3D"yui_3_16_0_ym19_1_1536572267723_761=
9" style=3D"display: block;">  <div style=3D"font-family: Helvetica Neue, H=
elvetica, Arial, Lucida Grande, sans-serif; font-size: 13px;" id=3D"yui_3_1=
6_0_ym19_1_1536572267723_7618"> <div style=3D"font-family: HelveticaNeue, H=
elvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px=
;" id=3D"yui_3_16_0_ym19_1_1536572267723_7617"> <div dir=3D"ltr" id=3D"yui_=
3_16_0_ym19_1_1536572267723_7616"> <font size=3D"2" face=3D"Arial" id=3D"yu=
i_3_16_0_ym19_1_1536572267723_8086"> <hr size=3D"1"> <b><span style=3D"font=
-weight:bold;">From:</span></b> John Styduhar &lt;[email-masked]&gt;<b=
r> <b><span style=3D"font-weight: bold;">To:</span></b> barry rosenberg &lt=
;[email-masked]&gt; <br><b><span style=3D"font-weight: bold;">Cc:</=
span></b> Greg Blake &lt;[email-masked]&gt;; Triumph 'Friends of Tr=
iumph &lt;[email-masked]&gt;<br> <b><span style=3D"font-weight: bold;">=
Sent:</span></b> Sunday, September 9, 2018 8:06 PM<br> <b><span style=3D"fo=
nt-weight: bold;">Subject:</span></b> Re: [Fot] Fwd: Crown and pinion gear =
break in<br> </font> </div> <div class=3D"y_msg_container" id=3D"yui_3_16_0=
_ym19_1_1536572267723_8087"><br><div id=3D"yiv9040569982"><div id=3D"yui_3_=
16_0_ym19_1_1536572267723_8090"><div dir=3D"ltr" id=3D"yui_3_16_0_ym19_1_15=
36572267723_8089"><div class=3D"yiv9040569982gmail_default" style=3D"font-s=
ize:small;" id=3D"yui_3_16_0_ym19_1_1536572267723_8088">Barry, when you are=
 measuring TR pinion depth, where are you measuring from and to?&nbsp; The =
TR3 manual only has the dimension from the front face of the pinion to the =
center of the ring gear which would be impossible to measure directly with =
the pinion gear installed.&nbsp; &nbsp;</div></div><div dir=3D"ltr" id=3D"y=
ui_3_16_0_ym19_1_1536572267723_8092"><div class=3D"yiv9040569982gmail_defau=
lt" style=3D"font-size:small;" id=3D"yui_3_16_0_ym19_1_1536572267723_8091">=
<br clear=3D"none"></div><div class=3D"yiv9040569982gmail_default" style=3D=
"font-size:small;" id=3D"yui_3_16_0_ym19_1_1536572267723_8093"><br clear=3D=
"none"></div></div><br clear=3D"none"><div class=3D"yiv9040569982yqt1346084=
259" id=3D"yiv9040569982yqt42703"><div class=3D"yiv9040569982gmail_quote" i=
d=3D"yui_3_16_0_ym19_1_1536572267723_8095"><div dir=3D"ltr" id=3D"yui_3_16_=
0_ym19_1_1536572267723_8094">On Sun, Sep 9, 2018 at 5:28 PM barry rosenberg=
 &lt;<a rel=3D"nofollow" shape=3D"rect" ymailto=3D"mailto:britcars@bellsout=
h.net" target=3D"_blank" href=3D"mailto:[email-masked]">britcars@be=
llsouth.net</a>&gt; wrote:<br clear=3D"none"></div><blockquote class=3D"yiv=
9040569982gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc soli=
d;padding-left:1ex;"><div><div style=3D"color:#000;background-color:#fff;fo=
nt-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-=
size:13px;"><div dir=3D"ltr" id=3D"yiv9040569982m_1359472020569513798m_-354=
4020503911685817yui_3_16_0_ym19_1_1536526013624_12402"><span id=3D"yiv90405=
69982m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_153652601=
3624_12401">There is a factory set of tools that one uses to measure pinion=
 depth before taking a diff apart. Then you set the new pinion at the same =
depth plus or minus the number on the gear.</span></div><div dir=3D"ltr" id=
=3D"yiv9040569982m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19=
_1_1536526013624_12404"><span><br clear=3D"none"></span></div><div dir=3D"l=
tr" id=3D"yiv9040569982m_1359472020569513798m_-3544020503911685817yui_3_16_=
0_ym19_1_1536526013624_12407"><span>Barry</span></div><div class=3D"yiv9040=
569982m_1359472020569513798m_-3544020503911685817qtdSeparateBR" id=3D"yiv90=
40569982m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_153652=
6013624_12406"><br clear=3D"none"><br clear=3D"none"></div><div class=3D"yi=
v9040569982m_1359472020569513798m_-3544020503911685817yahoo_quoted" id=3D"y=
iv9040569982m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_15=
36526013624_12469" style=3D"display:block;">  <div id=3D"yiv9040569982m_135=
9472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12468=
" style=3D"font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, san=
s-serif;font-size:13px;"> <div id=3D"yiv9040569982m_1359472020569513798m_-3=
544020503911685817yui_3_16_0_ym19_1_1536526013624_12467" style=3D"font-fami=
ly:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-ser=
if;font-size:16px;"> <div dir=3D"ltr" id=3D"yiv9040569982m_1359472020569513=
798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12466"> <font size=
=3D"2" face=3D"Arial"> </font><hr size=3D"1"> <b><span style=3D"font-weight=
:bold;">From:</span></b> John Styduhar via Fot &lt;<a rel=3D"nofollow" shap=
e=3D"rect" ymailto=3D"mailto:[email-masked]" target=3D"_blank" href=3D"=
mailto:[email-masked]">[email-masked]</a>&gt;<br clear=3D"none"> <b=
><span style=3D"font-weight:bold;">To:</span></b> Greg Blake &lt;<a rel=3D"=
nofollow" shape=3D"rect" ymailto=3D"mailto:[email-masked]" target=
=3D"_blank" href=3D"mailto:[email-masked]">[email-masked]</=
a>&gt; <br clear=3D"none"><b><span style=3D"font-weight:bold;">Cc:</span></=
b> Triumph 'Friends of Triumph &lt;<a rel=3D"nofollow" shape=3D"rect" ymail=
to=3D"mailto:[email-masked]" target=3D"_blank" href=3D"mailto:fot@autox=
.team.net">[email-masked]</a>&gt;<br clear=3D"none"> <b><span style=3D"=
font-weight:bold;">Sent:</span></b> Sunday, September 9, 2018 5:12 PM<br cl=
ear=3D"none"> <b><span style=3D"font-weight:bold;">Subject:</span></b> Re: =
[Fot] Fwd: Crown and pinion gear break in<br clear=3D"none">  </div> <div c=
lass=3D"yiv9040569982m_1359472020569513798m_-3544020503911685817y_msg_conta=
iner" id=3D"yiv9040569982m_1359472020569513798m_-3544020503911685817yui_3_1=
6_0_ym19_1_1536526013624_12473"><br clear=3D"none"><div id=3D"yiv9040569982=
m_1359472020569513798m_-3544020503911685817yiv0604855335"><div id=3D"yiv904=
0569982m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526=
013624_12472"><div dir=3D"ltr" id=3D"yiv9040569982m_1359472020569513798m_-3=
544020503911685817yui_3_16_0_ym19_1_1536526013624_12471"><div class=3D"yiv9=
040569982m_1359472020569513798m_-3544020503911685817yiv0604855335gmail_defa=
ult" style=3D"font-size:small;">The "92" is the "matched set" number and sh=
ould correspond with the set number on the ring gear.&nbsp; The other numbe=
r is the difference in pinion shimming from the "normal".&nbsp; &nbsp; Haha=
, what is normal?</div><div class=3D"yiv9040569982m_1359472020569513798m_-3=
544020503911685817yiv0604855335gmail_default" id=3D"yiv9040569982m_13594720=
20569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12470" sty=
le=3D"font-size:small;"><br clear=3D"none"></div></div><br clear=3D"none"><=
div class=3D"yiv9040569982m_1359472020569513798m_-3544020503911685817yiv060=
4855335gmail_quote" id=3D"yiv9040569982m_1359472020569513798m_-354402050391=
1685817yui_3_16_0_ym19_1_1536526013624_12476"><div class=3D"yiv9040569982m_=
1359472020569513798m_-3544020503911685817yiv0604855335yqt8106787341" id=3D"=
yiv9040569982m_1359472020569513798m_-3544020503911685817yiv0604855335yqt705=
45"><div dir=3D"ltr" id=3D"yiv9040569982m_1359472020569513798m_-35440205039=
11685817yui_3_16_0_ym19_1_1536526013624_12475">On Sat, Sep 8, 2018 at 12:33=
 AM Greg Blake via Fot &lt;<a rel=3D"nofollow" shape=3D"rect" ymailto=3D"ma=
ilto:[email-masked]" target=3D"_blank" href=3D"mailto:[email-masked]=
t">[email-masked]</a>&gt; wrote:<br clear=3D"none"></div><blockquote cl=
ass=3D"yiv9040569982m_1359472020569513798m_-3544020503911685817yiv060485533=
5gmail_quote" id=3D"yiv9040569982m_1359472020569513798m_-354402050391168581=
7yui_3_16_0_ym19_1_1536526013624_12480" style=3D"margin:0 0 0 .8ex;border-l=
eft:1px #ccc solid;padding-left:1ex;"><div id=3D"yiv9040569982m_13594720205=
69513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12479">Ok guy=
s and gals.&nbsp;<div id=3D"yiv9040569982m_1359472020569513798m_-3544020503=
911685817yui_3_16_0_ym19_1_1536526013624_12478"><br clear=3D"none"></div><d=
iv id=3D"yiv9040569982m_1359472020569513798m_-3544020503911685817yui_3_16_0=
_ym19_1_1536526013624_12487">Here is a pic of the new pinion head. What do =
I do with the number on the pinion head?&nbsp;</div><div><img id=3D"yiv9040=
569982m_1359472020569513798m_-3544020503911685817yiv0604855335m_-3671314450=
992527492D0E321B3-529F-409C-BF60-3D743DEB9A62" alt=3D"image1.jpeg" data-id=
=3D"26570040-9e60-13d9-bac3-d424ab902b46"><br clear=3D"none"></div><div>Tha=
nks.&nbsp;</div><div id=3D"yiv9040569982m_1359472020569513798m_-35440205039=
11685817yui_3_16_0_ym19_1_1536526013624_12490"><br clear=3D"none"><br clear=
=3D"none"><div id=3D"yiv9040569982m_1359472020569513798m_-35440205039116858=
17yiv0604855335m_-3671314450992527492AppleMailSignature">Sent from my iPhon=
e</div><div id=3D"yiv9040569982m_1359472020569513798m_-3544020503911685817y=
ui_3_16_0_ym19_1_1536526013624_12489"><br clear=3D"none">On Sep 7, 2018, at=
 1:07 PM, Bob Kramer &lt;<a rel=3D"nofollow" shape=3D"rect" ymailto=3D"mail=
to:[email-masked]" target=3D"_blank" href=3D"mailto:[email-masked]=
m">[email-masked]</a>&gt; wrote:<br clear=3D"none"><br clear=3D"none">=
</div><blockquote id=3D"yiv9040569982m_1359472020569513798m_-35440205039116=
85817yui_3_16_0_ym19_1_1536526013624_12496" type=3D"cite"><div id=3D"yiv904=
0569982m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526=
013624_12495"><div dir=3D"ltr" id=3D"yiv9040569982m_1359472020569513798m_-3=
544020503911685817yui_3_16_0_ym19_1_1536526013624_12494">I have a 4.88 ring=
 and pinion in a box. My Triumph club is running the VTR National near Aust=
in next year and I've been volunteered to head up the autocross. I think I'=
ll build a diff with it and put it in the Beandito, and sell tickets!&nbsp;=
</div><div class=3D"yiv9040569982m_1359472020569513798m_-354402050391168581=
7yiv0604855335gmail_extra" id=3D"yiv9040569982m_1359472020569513798m_-35440=
20503911685817yui_3_16_0_ym19_1_1536526013624_12502"><br clear=3D"all"><div=
><div class=3D"yiv9040569982m_1359472020569513798m_-3544020503911685817yiv0=
604855335m_-3671314450992527492gmail_signature"><div dir=3D"ltr">Bob Kramer=
</div></div></div>
<br clear=3D"none"><div class=3D"yiv9040569982m_1359472020569513798m_-35440=
20503911685817yiv0604855335gmail_quote" id=3D"yiv9040569982m_13594720205695=
13798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12501">On Fri, S=
ep 7, 2018 at 8:37 AM, barry rosenberg via Fot <span dir=3D"ltr">&lt;<a rel=
=3D"nofollow" shape=3D"rect" ymailto=3D"mailto:[email-masked]" target=
=3D"_blank" href=3D"mailto:[email-masked]">[email-masked]</a>&gt;</=
span> wrote:<br clear=3D"none"><blockquote class=3D"yiv9040569982m_13594720=
20569513798m_-3544020503911685817yiv0604855335gmail_quote" id=3D"yiv9040569=
982m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_15365260136=
24_12500" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-lef=
t:1ex;"><div id=3D"yiv9040569982m_1359472020569513798m_-3544020503911685817=
yui_3_16_0_ym19_1_1536526013624_12499"><div id=3D"yiv9040569982m_1359472020=
569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12498" style=
=3D"color:#000;background-color:#fff;font-family:Helvetica Neue, Helvetica,=
 Arial, Lucida Grande, sans-serif;font-size:13px;"><div id=3D"yiv9040569982=
m_1359472020569513798m_-3544020503911685817yiv0604855335m_-3671314450992527=
492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_12427"><span id=3D=
"yiv9040569982m_1359472020569513798m_-3544020503911685817yiv0604855335m_-36=
71314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_1242=
6">Wasn't this the new set of gears? If so, they were new old stock from En=
gland. They once belonged to Jim Ealy, who owned a black, 1966 TR4A race ca=
r. I bought his junk yard to get his race car and the gears were new in the=
 box. I knew him since 1973 and he had the gears then. I had them until rec=
ently. I would not think that back then there were cheap reproduction gears=
 available. He had 4:11, the 4:55 and 4:88 (great fun but useless). The 4:1=
1 went in the car when I sold it, the 4:88 were put in a locked diff and pl=
ayed with on the street; the 4:55 sat on a shelf for all those years. If th=
e diff still had fluid in it, then it has to be improper set up, unfortunat=
ely.</span></div><div id=3D"yiv9040569982m_1359472020569513798m_-3544020503=
911685817yiv0604855335m_-3671314450992527492m_-6928659416193145832yui_3_16_=
0_ym19_1_1536326086781_12427"><span><br clear=3D"none"></span></div><div id=
=3D"yiv9040569982m_1359472020569513798m_-3544020503911685817yiv0604855335m_=
-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_1=
2427"><span>Barry</span></div><div class=3D"yiv9040569982m_1359472020569513=
798m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-692865941619=
3145832qtdSeparateBR" id=3D"yiv9040569982m_1359472020569513798m_-3544020503=
911685817yiv0604855335m_-3671314450992527492m_-6928659416193145832yui_3_16_=
0_ym19_1_1536326086781_12440"><br clear=3D"none"><br clear=3D"none"></div><=
div class=3D"yiv9040569982m_1359472020569513798m_-3544020503911685817yiv060=
4855335m_-3671314450992527492m_-6928659416193145832yahoo_quoted" id=3D"yiv9=
040569982m_1359472020569513798m_-3544020503911685817yiv0604855335m_-3671314=
450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_12446" st=
yle=3D"display:block;">  <div id=3D"yiv9040569982m_1359472020569513798m_-35=
44020503911685817yiv0604855335m_-3671314450992527492m_-6928659416193145832y=
ui_3_16_0_ym19_1_1536326086781_12445" style=3D"font-family:Helvetica Neue, =
Helvetica, Arial, Lucida Grande, sans-serif;font-size:13px;"> <div id=3D"yi=
v9040569982m_1359472020569513798m_-3544020503911685817yiv0604855335m_-36713=
14450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_12444" =
style=3D"font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucid=
a Grande, sans-serif;font-size:16px;"> <div dir=3D"ltr" id=3D"yiv9040569982=
m_1359472020569513798m_-3544020503911685817yiv0604855335m_-3671314450992527=
492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_12443"> <font id=
=3D"yiv9040569982m_1359472020569513798m_-3544020503911685817yiv0604855335m_=
-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_1=
2442" size=3D"2" face=3D"Arial"> </font><hr id=3D"yiv9040569982m_1359472020=
569513798m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-692865=
9416193145832yui_3_16_0_ym19_1_1536326086781_12441" size=3D"1"> <b><span st=
yle=3D"font-weight:bold;">From:</span></b> Greg Blake via Fot &lt;<a rel=3D=
"nofollow" shape=3D"rect" id=3D"yiv9040569982m_1359472020569513798m_-354402=
0503911685817yui_3_16_0_ym19_1_1536526013624_12509" ymailto=3D"mailto:fot@a=
utox.team.net" target=3D"_blank" href=3D"mailto:[email-masked]">fot@aut=
ox.team.net</a>&gt;<br clear=3D"none"> <b><span style=3D"font-weight:bold;"=
>To:</span></b> Fot &lt;<a rel=3D"nofollow" shape=3D"rect" ymailto=3D"mailt=
o:[email-masked]" target=3D"_blank" href=3D"mailto:[email-masked]">=
[email-masked]</a>&gt; <br clear=3D"none"><b><span style=3D"font-weight=
:bold;">Cc:</span></b> fot &lt;<a rel=3D"nofollow" shape=3D"rect" ymailto=
=3D"mailto:[email-masked]" target=3D"_blank" href=3D"mailto:[email-masked]=
eam.net">[email-masked]</a>&gt;<br clear=3D"none"> <b><span style=3D"fo=
nt-weight:bold;">Sent:</span></b> Friday, September 7, 2018 6:14 AM<br clea=
r=3D"none"> <b><span style=3D"font-weight:bold;">Subject:</span></b> Re: [F=
ot] Fwd:  Crown and pinion gear break in<br clear=3D"none">  </div> <div cl=
ass=3D"yiv9040569982m_1359472020569513798m_-3544020503911685817yiv060485533=
5m_-3671314450992527492m_-6928659416193145832y_msg_container" id=3D"yiv9040=
569982m_1359472020569513798m_-3544020503911685817yiv0604855335m_-3671314450=
992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_13039"><br c=
lear=3D"none"><div id=3D"yiv9040569982m_1359472020569513798m_-3544020503911=
685817yiv0604855335m_-3671314450992527492m_-6928659416193145832yiv860813871=
2"><div id=3D"yiv9040569982m_1359472020569513798m_-3544020503911685817yiv06=
04855335m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_15363=
26086781_13040">Thanks guys for all the feedback.&nbsp;<div id=3D"yiv904056=
9982m_1359472020569513798m_-3544020503911685817yiv0604855335m_-367131445099=
2527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_13041"><br cle=
ar=3D"none"></div><div id=3D"yiv9040569982m_1359472020569513798m_-354402050=
3911685817yiv0604855335m_-3671314450992527492m_-6928659416193145832yui_3_16=
_0_ym19_1_1536326086781_13042">So far I have only put the car in the air an=
d pulled the cover. There is ample evidence of excessive heat so something =
went wrong with my setup.&nbsp;</div><div id=3D"yiv9040569982m_135947202056=
9513798m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-69286594=
16193145832yui_3_16_0_ym19_1_1536326086781_13043"><br clear=3D"none"></div>=
<div id=3D"yiv9040569982m_1359472020569513798m_-3544020503911685817yiv06048=
55335m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_15363260=
86781_13044">I might get the chance to pull it all out of the car and take =
some measurements on Sunday. Once I do, I=E2=80=99ll share my original setu=
p notes and what I measure upon disassembly.</div><div id=3D"yiv9040569982m=
_1359472020569513798m_-3544020503911685817yiv0604855335m_-36713144509925274=
92m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_13045"><br clear=3D=
"none"></div><div id=3D"yiv9040569982m_1359472020569513798m_-35440205039116=
85817yiv0604855335m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym=
19_1_1536326086781_13046">On a related note. I ordered a new gear set from =
Rimmer on Monday and it arrived in Austin today, standard shipping. Amazing=
. Way faster than some of our domestic suppliers.&nbsp;</div><div><br clear=
=3D"none"></div><div>This new gear set was supplied by Bastuck. Hopefully l=
asts a little longer. &nbsp;</div><div id=3D"yiv9040569982m_135947202056951=
3798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12515"><br clear=
=3D"none"><div id=3D"yiv9040569982m_1359472020569513798m_-35440205039116858=
17yiv0604855335m_-3671314450992527492m_-6928659416193145832yiv8608138712App=
leMailSignature">Sent from my iPhone</div><div class=3D"yiv9040569982m_1359=
472020569513798m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-=
6928659416193145832yiv8608138712yqt3328800303" id=3D"yiv9040569982m_1359472=
020569513798m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-692=
8659416193145832yiv8608138712yqt60981"><div><br clear=3D"none">On Sep 6, 20=
18, at 7:41 AM, Rick Parent via Fot &lt;<a rel=3D"nofollow" shape=3D"rect" =
ymailto=3D"mailto:[email-masked]" target=3D"_blank" href=3D"mailto:fot@=
autox.team.net">[email-masked]</a>&gt; wrote:<br clear=3D"none"><br cle=
ar=3D"none"></div><blockquote id=3D"yiv9040569982m_1359472020569513798m_-35=
44020503911685817yui_3_16_0_ym19_1_1536526013624_12523" type=3D"cite"><div =
id=3D"yiv9040569982m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym=
19_1_1536526013624_12522"><div id=3D"yiv9040569982m_1359472020569513798m_-3=
544020503911685817yui_3_16_0_ym19_1_1536526013624_12521" style=3D"color:#00=
0;background-color:#fff;font-family:Helvetica Neue, Helvetica, Arial, Lucid=
a Grande, sans-serif;font-size:13px;"><div id=3D"yiv9040569982m_13594720205=
69513798m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-6928659=
416193145832yiv8608138712yui_3_16_0_ym19_1_1536237470748_10096"><span id=3D=
"yiv9040569982m_1359472020569513798m_-3544020503911685817yiv0604855335m_-36=
71314450992527492m_-6928659416193145832yiv8608138712yui_3_16_0_ym19_1_15362=
37470748_10136">Looks like the pinion was way to deep.</span></div> <div cl=
ass=3D"yiv9040569982m_1359472020569513798m_-3544020503911685817yiv060485533=
5m_-3671314450992527492m_-6928659416193145832yiv8608138712qtdSeparateBR"><b=
r clear=3D"none"><br clear=3D"none"></div><div class=3D"yiv9040569982m_1359=
472020569513798m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-=
6928659416193145832yiv8608138712yahoo_quoted" id=3D"yiv9040569982m_13594720=
20569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12520" sty=
le=3D"display:block;"> <div id=3D"yiv9040569982m_1359472020569513798m_-3544=
020503911685817yui_3_16_0_ym19_1_1536526013624_12519" style=3D"font-family:=
Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:13px;=
"> <div id=3D"yiv9040569982m_1359472020569513798m_-3544020503911685817yui_3=
_16_0_ym19_1_1536526013624_12518" style=3D"font-family:HelveticaNeue, Helve=
tica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px;"> <d=
iv dir=3D"ltr"><font size=3D"2" face=3D"Arial"> On Thursday, September 6, 2=
018 6:38 AM, Bill via Fot &lt;<a rel=3D"nofollow" shape=3D"rect" ymailto=3D=
"mailto:[email-masked]" target=3D"_blank" href=3D"mailto:[email-masked]=
.net">[email-masked]</a>&gt; wrote:<br clear=3D"none"></font></div>  <b=
r clear=3D"none"><br clear=3D"none"> <div class=3D"yiv9040569982m_135947202=
0569513798m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-69286=
59416193145832yiv8608138712y_msg_container" id=3D"yiv9040569982m_1359472020=
569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12517"><div =
dir=3D"ltr" id=3D"yiv9040569982m_1359472020569513798m_-3544020503911685817y=
ui_3_16_0_ym19_1_1536526013624_12516">I doubt if a break-in procedure could=
 have prevented failure, but as Marcel says, checking the temperature of th=
e diff could have stopped the damage. The likely culprits are incorrect eng=
agement or bad parts, but anything that heats the gears enough to cook the =
oil off the parts will kill the gears. I had a close call with one of the g=
ear sets I use. Apparently I screwed up somewhere in checking fit=E2=80=94w=
hen I pulled the rear end to assess the problem there was no backlash. I ha=
ve a huge finned differential cover so checking temperature doesn=E2=80=99t=
 help, but I could feel the car slowing quickly between shifts. Fortunately=
 I wasn=E2=80=99t doing my usual clutchless shifts and noticed the sudden d=
eceleration every time I disengaged the clutch. The gear teeth were slightl=
y blued and the oil smelled like a cesspool, but the gears were still usabl=
e once I did the setup properly. <br clear=3D"none"><br clear=3D"none">Bill=
<br clear=3D"none"> <br clear=3D"none">&gt; On Sep 5, 2018, at 1:48 AM, van=
.mulders.marcel--- via Fot &lt;<a rel=3D"nofollow" shape=3D"rect" ymailto=
=3D"mailto:[email-masked]" target=3D"_blank" href=3D"mailto:[email-masked]=
eam.net">[email-masked]</a>&gt; wrote:<br clear=3D"none">&gt; <br clear=
=3D"none">&gt; <br clear=3D"none">&gt; <br clear=3D"none">&gt; ----- Doorge=
stuurd bericht -----<br clear=3D"none">&gt; Van: "van mulders marcel" &lt;<=
a rel=3D"nofollow" shape=3D"rect" ymailto=3D"mailto:van.mulders.marcel@tele=
net.be" target=3D"_blank" href=3D"mailto:[email-masked]">van=
[email-masked]</a>&gt;<br clear=3D"none">&gt; Aan: "Greg Blake"=
 &lt;<a rel=3D"nofollow" shape=3D"rect" ymailto=3D"mailto:gblake58tr3@iclou=
d.com" target=3D"_blank" href=3D"mailto:[email-masked]">gblake58tr3=
@icloud.com</a>&gt;<br clear=3D"none">&gt; Verzonden: Woensdag 5 september =
2018 10:47:59<br clear=3D"none">&gt; Onderwerp: Re: [Fot] Crown and pinion =
gear break in<br clear=3D"none">&gt; <br clear=3D"none">&gt; I think it is =
good measure to check the heat of the differential casing after a few laps =
when the pinion and crownwheel are freshly mounted : when the casing gets v=
ery hot, something is wrong : or the parts are bad or they are mounted not =
correctly<br clear=3D"none">&gt; There are at least 2 manufactures of the T=
R parts, I forgot about the names. As far as I know, used original parts ar=
e running cooler than some of the aftermarked parts. How was the noise of t=
he diff? Did you notice the smell during the first laps?<br clear=3D"none">=
&gt; Marcel<br clear=3D"none">&gt; <br clear=3D"none">&gt; ----- Oorspronke=
lijk bericht -----<br clear=3D"none">&gt; Van: "fot" &lt;<a rel=3D"nofollow=
" shape=3D"rect" ymailto=3D"mailto:[email-masked]" target=3D"_blank" hr=
ef=3D"mailto:[email-masked]">[email-masked]</a>&gt;<br clear=3D"non=
e">&gt; Aan: "fot" &lt;<a rel=3D"nofollow" shape=3D"rect" ymailto=3D"mailto=
:[email-masked]" target=3D"_blank" href=3D"mailto:[email-masked]">f=
[email-masked]</a>&gt;<br clear=3D"none">&gt; Verzonden: Woensdag 5 sept=
ember 2018 03:25:39<br clear=3D"none">&gt; Onderwerp: [Fot] Crown and pinio=
n gear break in<br clear=3D"none">&gt; <br clear=3D"none">&gt; I would love=
 to here the FOT experience in breaking in new differential gears. What has=
 worked well for you in the past?&nbsp; <br clear=3D"none">&gt; <br clear=
=3D"none">&gt; Last weekend, I was running the TR3 at Hallett with a brand =
new 4.55 gear set and it failed. I probably got 30 laps total in 4 sessions=
 on track. I did not think to follow any set break in procedure with the ge=
ars and I am wondering if that is why they failed. <br clear=3D"none">&gt; =
<br clear=3D"none">&gt; I am interested in the lists experience with brand =
new or new old stock ring and pinion break in. <br clear=3D"none">&gt; <br =
clear=3D"none">&gt; Here is a pic of the failed set. <br clear=3D"none">&gt=
; <br clear=3D"none">&gt; <br clear=3D"none">&gt; <br clear=3D"none">&gt; [=
image/jpeg:image1.jpeg]<br clear=3D"none">&gt; <br clear=3D"none">&gt; <br =
clear=3D"none">&gt; <br clear=3D"none">&gt; Sent from my iPhone<br clear=3D=
"none">&gt; _______________________________________________<br clear=3D"non=
e">&gt; <a rel=3D"nofollow" shape=3D"rect" ymailto=3D"mailto:[email-masked]=
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1359472020569513798m_-3544020503911685817yiv0604855335m_-367131445099252749=
2m_-6928659416193145832yiv8608138712yqt5699898352" id=3D"yiv9040569982m_135=
9472020569513798m_-3544020503911685817yiv0604855335m_-3671314450992527492m_=
-6928659416193145832yiv8608138712yqtfd98926"><br clear=3D"none">&gt; <br cl=
ear=3D"none">&gt; <br clear=3D"none"><br clear=3D"none">___________________=
____________________________<br clear=3D"none"><a rel=3D"nofollow" shape=3D=
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_______________________________________________</span><br clear=3D"none"><s=
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ons/fot/[email-masked]</a></span><br clear=3D"none"><span></span><b=
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/div></div><div class=3D"yiv9040569982m_1359472020569513798m_-3544020503911=
685817yiv0604855335m_-3671314450992527492m_-6928659416193145832yqt332880030=
3" id=3D"yiv9040569982m_1359472020569513798m_-3544020503911685817yiv0604855=
335m_-3671314450992527492m_-6928659416193145832yqt87676">__________________=
_____________________________<br clear=3D"none"><a rel=3D"nofollow" shape=
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ne">
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0569513798m_-3544020503911685817yqt8106787341" id=3D"yiv9040569982m_1359472=
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el=3D"nofollow" shape=3D"rect" target=3D"_blank" href=3D"http://www.fot-rac=
ing.com/">http://www.fot-racing.com</a><br clear=3D"none"><br clear=3D"none=
">Donate: <a rel=3D"nofollow" shape=3D"rect" id=3D"yiv9040569982m_135947202=
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et=3D"_blank" href=3D"http://www.team.net/donate.html">http://www.team.net/=
donate.html</a><br clear=3D"none">Archive: <a rel=3D"nofollow" shape=3D"rec=
t" id=3D"yiv9040569982m_1359472020569513798m_-3544020503911685817yui_3_16_0=
_ym19_1_1536526013624_12548" target=3D"_blank" href=3D"http://www.team.net/=
pipermail/fot">http://www.team.net/pipermail/fot</a><br clear=3D"none">Unsu=
bscribe/Manage: <a rel=3D"nofollow" shape=3D"rect" target=3D"_blank" href=
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//autox.team.net/mailman/options/fot/[email-masked]</a><br clear=3D=
"none"><br clear=3D"none"><br clear=3D"none"></div><br clear=3D"none"><br c=
lear=3D"none"></div> </div> </div>  </div></div></div></blockquote></div></=
div></div></div><br><br></div> </div> </div>  </div></div></body></html>
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---

From: barry rosenberg via Fot <[email-masked]>
Date: Mon, 10 Sep 2018 12:13:40 +0000 (UTC)

--===============4062320656030315360==
	boundary="----=_Part_1236168_1799592551.1536581620936"

------=_Part_1236168_1799592551.1536581620936
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My tool was made specifically for the big TRs like TR2 thru 6. All I have t=
o do is zero my dial gauge attached to the tool (dummy carrier) on a perfec=
tly flat surface to the face of the tool; place it in the saddles and rock =
it a little until I get the shortest distance to the dummy pinion top. Even=
 with this tool, it can be difficult to get exact repeated measurements. It=
 takes practice and a selection of shims. The correct size is not always av=
ailable. Then you use ingenuity to get it right. Sometimes a lathe helps!
Barry

      From: Robert Lang <[email-masked]>
 To: barry rosenberg <[email-masked]>; John Styduhar <johnstydo@gma=
il.com>=20
Cc: Triumph 'Friends of Triumph <[email-masked]>
 Sent: Monday, September 10, 2018 7:51 AM
 Subject: Re: [Fot] Fwd: Crown and pinion gear break in
  =20
 The factory pinion installation uses a dummy carrier that sits in the sadd=
les for the differential carrier. This tool holds a dial indicator that you=
 use to measure the depth (which is referred to as "pinion head height") . =
The tools that you use for the common diffs have a fixed-length adapter for=
 your dial indicator, but these are "too long" for big TRiumph diffs, so yo=
u have to improvise.

You can also use a home made tool to bolt onto the case using the saddles' =
bolts and a fixed size spacer and feeler gauges (ala Len Reckenberger). The=
 key here is that you need to get repeatable measurements to within .001 wh=
ich is tricky.

To your question, John,=C2=A0 you are measuring the distance from the cente=
r line of the axles to the face of the pinion. The number should be the rad=
ius of the inside curve of the ring gear (which is roughly 2.35 inches). Yo=
u do this measurement using the dummy carrier or the improvised tool and th=
en shim as needed.
I've done a few diffs and always find that adding or subtracting shims is n=
eeded to get the pattern exactly right after using the Reckenberger method.=
 But at least you get in the ballpark!=20

I hope this helps.
Speaking gear sets, I used a 4.88 for a few seasons of autocross and found =
that first gear was useless and the top speed of just over 80 MPH was "limi=
ting" for the autocrosses in my region. I have that set on the shelf and sw=
itched to 4.33's which work awesome for hillclimbs, but still limit top spe=
eds which really matters on some hills (like Reading, PA). I'm talking 4 sp=
eeds and 23 inch slicks. For vintage road racing, I switched to taller tire=
s and I had to re-do all my gear calculations. That led to my current gear =
selection which is "all gear sets available", 3.45, 3.70, 4.10 and 4.33. I =
then gear for the track based on best guesses. So far, I've been guessing p=
retty well!

Regards,Bob Lang

    On Monday, September 10, 2018, 7:08:31 AM EDT, John Styduhar via Fot <f=
[email-masked]> wrote: =20
=20
 Barry, when you are measuring TR pinion depth, where are you measuring fro=
m and to?=C2=A0 The TR3 manual only has the dimension from the front face o=
f the pinion to the center of the ring gear which would be impossible to me=
asure directly with the pinion gear installed.=C2=A0 =C2=A0

Ok guys and gals.=C2=A0

Sent from my iPhone

Bill
=20
[email-masked]
yle.com

  =20

  =20

  =20

@yahoo.com

 =20

  =20
------=_Part_1236168_1799592551.1536581620936
Content-Transfer-Encoding: quoted-printable

<html><head></head><body><div style=3D"color:#000; background-color:#fff; f=
ont-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font=
-size:13px"><div id=3D"yui_3_16_0_ym19_1_1536580961395_6390">My tool was ma=
de specifically for the big TRs like TR2 thru 6. All I have to do is zero m=
y dial gauge attached to the tool (dummy carrier) on a perfectly flat surfa=
ce to the face of the tool; place it in the saddles and rock it a little un=
til I get the shortest distance to the dummy pinion top. Even with this too=
l, it can be difficult to get exact repeated measurements. It takes practic=
e and a selection of shims. The correct size is not always available. Then =
you use ingenuity to get it right. Sometimes a lathe helps!</div><div id=3D=
"yui_3_16_0_ym19_1_1536580961395_6458"><br></div><div id=3D"yui_3_16_0_ym19=
_1_1536580961395_6464">Barry</div><div class=3D"qtdSeparateBR" id=3D"yui_3_=
16_0_ym19_1_1536580961395_6542"><br><br></div><div class=3D"yahoo_quoted" i=
d=3D"yui_3_16_0_ym19_1_1536580961395_6541" style=3D"display: block;">  <div=
 style=3D"font-family: Helvetica Neue, Helvetica, Arial, Lucida Grande, san=
s-serif; font-size: 13px;" id=3D"yui_3_16_0_ym19_1_1536580961395_6540"> <di=
v style=3D"font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lu=
cida Grande, sans-serif; font-size: 16px;" id=3D"yui_3_16_0_ym19_1_15365809=
61395_6539"> <div dir=3D"ltr" id=3D"yui_3_16_0_ym19_1_1536580961395_6538"> =
<font size=3D"2" face=3D"Arial" id=3D"yui_3_16_0_ym19_1_1536580961395_6537"=
> <hr size=3D"1" id=3D"yui_3_16_0_ym19_1_1536580961395_6543"> <b><span styl=
e=3D"font-weight:bold;">From:</span></b> Robert Lang &lt;robertlangtr6@yaho=
o.com&gt;<br> <b><span style=3D"font-weight: bold;">To:</span></b> barry ro=
senberg &lt;[email-masked]&gt;; John Styduhar &lt;[email-masked]=
om&gt; <br><b><span style=3D"font-weight: bold;">Cc:</span></b> Triumph 'Fr=
iends of Triumph &lt;[email-masked]&gt;<br> <b><span style=3D"font-weig=
ht: bold;">Sent:</span></b> Monday, September 10, 2018 7:51 AM<br> <b><span=
 style=3D"font-weight: bold;">Subject:</span></b> Re: [Fot] Fwd: Crown and =
pinion gear break in<br> </font> </div> <div class=3D"y_msg_container" id=
=3D"yui_3_16_0_ym19_1_1536580961395_6544"><br><div id=3D"yiv8332068412"><di=
v id=3D"yui_3_16_0_ym19_1_1536580961395_6548"><div style=3D"font-family:Hel=
vetica Neue, Helvetica, Arial, sans-serif;font-size:13px;" id=3D"yui_3_16_0=
_ym19_1_1536580961395_6547"><div style=3D"font-family:Helvetica Neue, Helve=
tica, Arial, sans-serif;font-size:13px;" id=3D"yui_3_16_0_ym19_1_1536580961=
395_6546"><div></div>
        <div id=3D"yui_3_16_0_ym19_1_1536580961395_6545">The factory pinion=
 installation uses a dummy carrier that sits in the saddles for the differe=
ntial carrier. This tool holds a dial indicator that you use to measure the=
 depth (which is referred to as "pinion head height") . The tools that you =
use for the common diffs have a fixed-length adapter for your dial indicato=
r, but these are "too long" for big TRiumph diffs, so you have to improvise=
.<br></div><div id=3D"yui_3_16_0_ym19_1_1536580961395_6549"><br></div><div =
id=3D"yui_3_16_0_ym19_1_1536580961395_6550">You can also use a home made to=
ol to bolt onto the case using the saddles' bolts and a fixed size spacer a=
nd feeler gauges (ala Len Reckenberger). The key here is that you need to g=
et repeatable measurements to within .001 which is tricky.<br></div><div id=
=3D"yui_3_16_0_ym19_1_1536580961395_6551"><br></div><div id=3D"yui_3_16_0_y=
m19_1_1536580961395_6552">To your question, John,&nbsp; you are measuring t=
he distance from the center line of the axles to the face of the pinion. Th=
e number should be the radius of the inside curve of the ring gear (which i=
s roughly 2.35 inches). You do this measurement using the dummy carrier or =
the improvised tool and then shim as needed.</div><div><br></div><div>I've =
done a few diffs and always find that adding or subtracting shims is needed=
 to get the pattern exactly right after using the Reckenberger method. But =
at least you get in the ballpark! <br></div><div><br></div><div>I hope this=
 helps.</div><div><br></div><div>Speaking gear sets, I used a 4.88 for a fe=
w seasons of autocross and found that first gear was useless and the top sp=
eed of just over 80 MPH was "limiting" for the autocrosses in my region. I =
have that set on the shelf and switched to 4.33's which work awesome for hi=
llclimbs, but still limit top speeds which really matters on some hills (li=
ke Reading, PA). I'm talking 4 speeds and 23 inch slicks. For vintage road =
racing, I switched to taller tires and I had to re-do all my gear calculati=
ons. That led to my current gear selection which is "all gear sets availabl=
e", 3.45, 3.70, 4.10 and 4.33. I then gear for the track based on best gues=
ses. So far, I've been guessing pretty well!<br></div><div><br></div><div>R=
egards,</div><div>Bob Lang<br></div><div><br></div>
       =20
        </div><div id=3D"yiv8332068412yahoo_quoted_6789004541" class=3D"yiv=
8332068412yahoo_quoted" style=3D"display: block;">
            <div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, s=
ans-serif;font-size:13px;color:#26282a;">
               =20
                <div>
                    On Monday, September 10, 2018, 7:08:31 AM EDT, John Sty=
duhar via Fot &lt;[email-masked]&gt; wrote:
                </div>
                <div><br></div>
                <div><br></div>
                <div><div id=3D"yiv8332068412"><div><div dir=3D"ltr"><div c=
lass=3D"yiv8332068412gmail_default" style=3D"font-size:small;">Barry, when =
you are measuring TR pinion depth, where are you measuring from and to?&nbs=
p; The TR3 manual only has the dimension from the front face of the pinion =
to the center of the ring gear which would be impossible to measure directl=
y with the pinion gear installed.&nbsp; &nbsp;</div></div><div dir=3D"ltr">=
<div class=3D"yiv8332068412gmail_default" style=3D"font-size:small;"><br cl=
ear=3D"none"></div><div class=3D"yiv8332068412gmail_default" style=3D"font-=
size:small;"><br clear=3D"none"></div></div><br clear=3D"none"><div class=
=3D"yiv8332068412yqt4122072611" id=3D"yiv8332068412yqt77464"><div class=3D"=
yiv8332068412gmail_quote"><div dir=3D"ltr">On Sun, Sep 9, 2018 at 5:28 PM b=
arry rosenberg &lt;<a rel=3D"nofollow" shape=3D"rect" ymailto=3D"mailto:bri=
[email-masked]" target=3D"_blank" href=3D"mailto:[email-masked]=
t">[email-masked]</a>&gt; wrote:<br clear=3D"none"></div><blockquot=
e class=3D"yiv8332068412gmail_quote" style=3D"margin:0 0 0 .8ex;border-left=
:1px #ccc solid;padding-left:1ex;"><div><div style=3D"color:#000;background=
-color:#fff;font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sa=
ns-serif;font-size:13px;"><div dir=3D"ltr" id=3D"yiv8332068412m_13594720205=
69513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12402"><span =
id=3D"yiv8332068412m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym=
19_1_1536526013624_12401">There is a factory set of tools that one uses to =
measure pinion depth before taking a diff apart. Then you set the new pinio=
n at the same depth plus or minus the number on the gear.</span></div><div =
dir=3D"ltr" id=3D"yiv8332068412m_1359472020569513798m_-3544020503911685817y=
ui_3_16_0_ym19_1_1536526013624_12404"><span><br clear=3D"none"></span></div=
><div dir=3D"ltr" id=3D"yiv8332068412m_1359472020569513798m_-35440205039116=
85817yui_3_16_0_ym19_1_1536526013624_12407"><span>Barry</span></div><div cl=
ass=3D"yiv8332068412m_1359472020569513798m_-3544020503911685817qtdSeparateB=
R" id=3D"yiv8332068412m_1359472020569513798m_-3544020503911685817yui_3_16_0=
_ym19_1_1536526013624_12406"><br clear=3D"none"><br clear=3D"none"></div><d=
iv class=3D"yiv8332068412m_1359472020569513798m_-3544020503911685817yahoo_q=
uoted" id=3D"yiv8332068412m_1359472020569513798m_-3544020503911685817yui_3_=
16_0_ym19_1_1536526013624_12469" style=3D"display:block;">  <div id=3D"yiv8=
332068412m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_15365=
26013624_12468" style=3D"font-family:Helvetica Neue, Helvetica, Arial, Luci=
da Grande, sans-serif;font-size:13px;"> <div id=3D"yiv8332068412m_135947202=
0569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12467" styl=
e=3D"font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Gr=
ande, sans-serif;font-size:16px;"> <div dir=3D"ltr" id=3D"yiv8332068412m_13=
59472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_1246=
6"> <font size=3D"2" face=3D"Arial"> </font><hr size=3D"1"> <b><span style=
=3D"font-weight:bold;">From:</span></b> John Styduhar via Fot &lt;<a rel=3D=
"nofollow" shape=3D"rect" ymailto=3D"mailto:[email-masked]" target=3D"_=
blank" href=3D"mailto:[email-masked]">[email-masked]</a>&gt;<br cle=
ar=3D"none"> <b><span style=3D"font-weight:bold;">To:</span></b> Greg Blake=
 &lt;<a rel=3D"nofollow" shape=3D"rect" ymailto=3D"mailto:gblake58tr3@iclou=
d.com" target=3D"_blank" href=3D"mailto:[email-masked]">gblake58tr3=
@icloud.com</a>&gt; <br clear=3D"none"><b><span style=3D"font-weight:bold;"=
>Cc:</span></b> Triumph 'Friends of Triumph &lt;<a rel=3D"nofollow" shape=
=3D"rect" ymailto=3D"mailto:[email-masked]" target=3D"_blank" href=3D"m=
ailto:[email-masked]">[email-masked]</a>&gt;<br clear=3D"none"> <b>=
<span style=3D"font-weight:bold;">Sent:</span></b> Sunday, September 9, 201=
8 5:12 PM<br clear=3D"none"> <b><span style=3D"font-weight:bold;">Subject:<=
/span></b> Re: [Fot] Fwd: Crown and pinion gear break in<br clear=3D"none">=
  </div> <div class=3D"yiv8332068412m_1359472020569513798m_-354402050391168=
5817y_msg_container" id=3D"yiv8332068412m_1359472020569513798m_-35440205039=
11685817yui_3_16_0_ym19_1_1536526013624_12473"><br clear=3D"none"><div id=
=3D"yiv8332068412m_1359472020569513798m_-3544020503911685817yiv0604855335">=
<div id=3D"yiv8332068412m_1359472020569513798m_-3544020503911685817yui_3_16=
_0_ym19_1_1536526013624_12472"><div dir=3D"ltr" id=3D"yiv8332068412m_135947=
2020569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12471"><=
div class=3D"yiv8332068412m_1359472020569513798m_-3544020503911685817yiv060=
4855335gmail_default" style=3D"font-size:small;">The "92" is the "matched s=
et" number and should correspond with the set number on the ring gear.&nbsp=
; The other number is the difference in pinion shimming from the "normal".&=
nbsp; &nbsp; Haha, what is normal?</div><div class=3D"yiv8332068412m_135947=
2020569513798m_-3544020503911685817yiv0604855335gmail_default" id=3D"yiv833=
2068412m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526=
013624_12470" style=3D"font-size:small;"><br clear=3D"none"></div></div><br=
 clear=3D"none"><div class=3D"yiv8332068412m_1359472020569513798m_-35440205=
03911685817yiv0604855335gmail_quote" id=3D"yiv8332068412m_13594720205695137=
98m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12476"><div class=
=3D"yiv8332068412m_1359472020569513798m_-3544020503911685817yiv0604855335yq=
t8106787341" id=3D"yiv8332068412m_1359472020569513798m_-3544020503911685817=
yiv0604855335yqt70545"><div dir=3D"ltr" id=3D"yiv8332068412m_13594720205695=
13798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12475">On Sat, S=
ep 8, 2018 at 12:33 AM Greg Blake via Fot &lt;<a rel=3D"nofollow" shape=3D"=
rect" ymailto=3D"mailto:[email-masked]" target=3D"_blank" href=3D"mailt=
o:[email-masked]">[email-masked]</a>&gt; wrote:<br clear=3D"none"><=
/div><blockquote class=3D"yiv8332068412m_1359472020569513798m_-354402050391=
1685817yiv0604855335gmail_quote" id=3D"yiv8332068412m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12480" style=3D"margin:=
0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><div id=3D"yiv8332=
068412m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_15365260=
13624_12479">Ok guys and gals.&nbsp;<div id=3D"yiv8332068412m_1359472020569=
513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12478"><br clea=
r=3D"none"></div><div id=3D"yiv8332068412m_1359472020569513798m_-3544020503=
911685817yui_3_16_0_ym19_1_1536526013624_12487">Here is a pic of the new pi=
nion head. What do I do with the number on the pinion head?&nbsp;</div><div=
><img id=3D"yiv8332068412m_1359472020569513798m_-3544020503911685817yiv0604=
855335m_-3671314450992527492D0E321B3-529F-409C-BF60-3D743DEB9A62" alt=3D"im=
age1.jpeg" data-id=3D"42541bca-b027-a782-c55e-f56cc41c070c"><br clear=3D"no=
ne"></div><div>Thanks.&nbsp;</div><div id=3D"yiv8332068412m_135947202056951=
3798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12490"><br clear=
=3D"none"><br clear=3D"none"><div id=3D"yiv8332068412m_1359472020569513798m=
_-3544020503911685817yiv0604855335m_-3671314450992527492AppleMailSignature"=
>Sent from my iPhone</div><div id=3D"yiv8332068412m_1359472020569513798m_-3=
544020503911685817yui_3_16_0_ym19_1_1536526013624_12489"><br clear=3D"none"=
>On Sep 7, 2018, at 1:07 PM, Bob Kramer &lt;<a rel=3D"nofollow" shape=3D"re=
ct" ymailto=3D"mailto:[email-masked]" target=3D"_blank" href=3D"mailto=
:[email-masked]">[email-masked]</a>&gt; wrote:<br clear=3D"none">=
<br clear=3D"none"></div><blockquote id=3D"yiv8332068412m_13594720205695137=
98m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12496" type=3D"cite=
"><div id=3D"yiv8332068412m_1359472020569513798m_-3544020503911685817yui_3_=
16_0_ym19_1_1536526013624_12495"><div dir=3D"ltr" id=3D"yiv8332068412m_1359=
472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12494"=
>I have a 4.88 ring and pinion in a box. My Triumph club is running the VTR=
 National near Austin next year and I've been volunteered to head up the au=
tocross. I think I'll build a diff with it and put it in the Beandito, and =
sell tickets!&nbsp;</div><div class=3D"yiv8332068412m_1359472020569513798m_=
-3544020503911685817yiv0604855335gmail_extra" id=3D"yiv8332068412m_13594720=
20569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12502"><br=
 clear=3D"all"><div><div class=3D"yiv8332068412m_1359472020569513798m_-3544=
020503911685817yiv0604855335m_-3671314450992527492gmail_signature"><div dir=
=3D"ltr">Bob Kramer</div></div></div>
<br clear=3D"none"><div class=3D"yiv8332068412m_1359472020569513798m_-35440=
20503911685817yiv0604855335gmail_quote" id=3D"yiv8332068412m_13594720205695=
13798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12501">On Fri, S=
ep 7, 2018 at 8:37 AM, barry rosenberg via Fot <span dir=3D"ltr">&lt;<a rel=
=3D"nofollow" shape=3D"rect" ymailto=3D"mailto:[email-masked]" target=
=3D"_blank" href=3D"mailto:[email-masked]">[email-masked]</a>&gt;</=
span> wrote:<br clear=3D"none"><blockquote class=3D"yiv8332068412m_13594720=
20569513798m_-3544020503911685817yiv0604855335gmail_quote" id=3D"yiv8332068=
412m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_15365260136=
24_12500" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-lef=
t:1ex;"><div id=3D"yiv8332068412m_1359472020569513798m_-3544020503911685817=
yui_3_16_0_ym19_1_1536526013624_12499"><div id=3D"yiv8332068412m_1359472020=
569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12498" style=
=3D"color:#000;background-color:#fff;font-family:Helvetica Neue, Helvetica,=
 Arial, Lucida Grande, sans-serif;font-size:13px;"><div id=3D"yiv8332068412=
m_1359472020569513798m_-3544020503911685817yiv0604855335m_-3671314450992527=
492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_12427"><span id=3D=
"yiv8332068412m_1359472020569513798m_-3544020503911685817yiv0604855335m_-36=
71314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_1242=
6">Wasn't this the new set of gears? If so, they were new old stock from En=
gland. They once belonged to Jim Ealy, who owned a black, 1966 TR4A race ca=
r. I bought his junk yard to get his race car and the gears were new in the=
 box. I knew him since 1973 and he had the gears then. I had them until rec=
ently. I would not think that back then there were cheap reproduction gears=
 available. He had 4:11, the 4:55 and 4:88 (great fun but useless). The 4:1=
1 went in the car when I sold it, the 4:88 were put in a locked diff and pl=
ayed with on the street; the 4:55 sat on a shelf for all those years. If th=
e diff still had fluid in it, then it has to be improper set up, unfortunat=
ely.</span></div><div id=3D"yiv8332068412m_1359472020569513798m_-3544020503=
911685817yiv0604855335m_-3671314450992527492m_-6928659416193145832yui_3_16_=
0_ym19_1_1536326086781_12427"><span><br clear=3D"none"></span></div><div id=
=3D"yiv8332068412m_1359472020569513798m_-3544020503911685817yiv0604855335m_=
-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_1=
2427"><span>Barry</span></div><div class=3D"yiv8332068412m_1359472020569513=
798m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-692865941619=
3145832qtdSeparateBR" id=3D"yiv8332068412m_1359472020569513798m_-3544020503=
911685817yiv0604855335m_-3671314450992527492m_-6928659416193145832yui_3_16_=
0_ym19_1_1536326086781_12440"><br clear=3D"none"><br clear=3D"none"></div><=
div class=3D"yiv8332068412m_1359472020569513798m_-3544020503911685817yiv060=
4855335m_-3671314450992527492m_-6928659416193145832yahoo_quoted" id=3D"yiv8=
332068412m_1359472020569513798m_-3544020503911685817yiv0604855335m_-3671314=
450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_12446" st=
yle=3D"display:block;">  <div id=3D"yiv8332068412m_1359472020569513798m_-35=
44020503911685817yiv0604855335m_-3671314450992527492m_-6928659416193145832y=
ui_3_16_0_ym19_1_1536326086781_12445" style=3D"font-family:Helvetica Neue, =
Helvetica, Arial, Lucida Grande, sans-serif;font-size:13px;"> <div id=3D"yi=
v8332068412m_1359472020569513798m_-3544020503911685817yiv0604855335m_-36713=
14450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_12444" =
style=3D"font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucid=
a Grande, sans-serif;font-size:16px;"> <div dir=3D"ltr" id=3D"yiv8332068412=
m_1359472020569513798m_-3544020503911685817yiv0604855335m_-3671314450992527=
492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_12443"> <font id=
=3D"yiv8332068412m_1359472020569513798m_-3544020503911685817yiv0604855335m_=
-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_1=
2442" size=3D"2" face=3D"Arial"> </font><hr id=3D"yiv8332068412m_1359472020=
569513798m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-692865=
9416193145832yui_3_16_0_ym19_1_1536326086781_12441" size=3D"1"> <b><span st=
yle=3D"font-weight:bold;">From:</span></b> Greg Blake via Fot &lt;<a rel=3D=
"nofollow" shape=3D"rect" id=3D"yiv8332068412m_1359472020569513798m_-354402=
0503911685817yui_3_16_0_ym19_1_1536526013624_12509" ymailto=3D"mailto:fot@a=
utox.team.net" target=3D"_blank" href=3D"mailto:[email-masked]">fot@aut=
ox.team.net</a>&gt;<br clear=3D"none"> <b><span style=3D"font-weight:bold;"=
ass=3D"yiv8332068412m_1359472020569513798m_-3544020503911685817yiv060485533=
5m_-3671314450992527492m_-6928659416193145832y_msg_container" id=3D"yiv8332=
068412m_1359472020569513798m_-3544020503911685817yiv0604855335m_-3671314450=
lear=3D"none"><div id=3D"yiv8332068412m_1359472020569513798m_-3544020503911=
2"><div id=3D"yiv8332068412m_1359472020569513798m_-3544020503911685817yiv06=
26086781_13040">Thanks guys for all the feedback.&nbsp;<div id=3D"yiv833206=
8412m_1359472020569513798m_-3544020503911685817yiv0604855335m_-367131445099=
ar=3D"none"></div><div id=3D"yiv8332068412m_1359472020569513798m_-354402050=
went wrong with my setup.&nbsp;</div><div id=3D"yiv8332068412m_135947202056=
<div id=3D"yiv8332068412m_1359472020569513798m_-3544020503911685817yiv06048=
p notes and what I measure upon disassembly.</div><div id=3D"yiv8332068412m=
"none"></div><div id=3D"yiv8332068412m_1359472020569513798m_-35440205039116=
asts a little longer. &nbsp;</div><div id=3D"yiv8332068412m_135947202056951=
=3D"none"><div id=3D"yiv8332068412m_1359472020569513798m_-35440205039116858=
leMailSignature">Sent from my iPhone</div><div class=3D"yiv8332068412m_1359=
6928659416193145832yiv8608138712yqt3328800303" id=3D"yiv8332068412m_1359472=
ar=3D"none"></div><blockquote id=3D"yiv8332068412m_1359472020569513798m_-35=
id=3D"yiv8332068412m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym=
19_1_1536526013624_12522"><div id=3D"yiv8332068412m_1359472020569513798m_-3=
a Grande, sans-serif;font-size:13px;"><div id=3D"yiv8332068412m_13594720205=
"yiv8332068412m_1359472020569513798m_-3544020503911685817yiv0604855335m_-36=
ass=3D"yiv8332068412m_1359472020569513798m_-3544020503911685817yiv060485533=
r clear=3D"none"><br clear=3D"none"></div><div class=3D"yiv8332068412m_1359=
6928659416193145832yiv8608138712yahoo_quoted" id=3D"yiv8332068412m_13594720=
le=3D"display:block;"> <div id=3D"yiv8332068412m_1359472020569513798m_-3544=
"> <div id=3D"yiv8332068412m_1359472020569513798m_-3544020503911685817yui_3=
r clear=3D"none"><br clear=3D"none"> <div class=3D"yiv8332068412m_135947202=
59416193145832yiv8608138712y_msg_container" id=3D"yiv8332068412m_1359472020=
dir=3D"ltr" id=3D"yiv8332068412m_1359472020569513798m_-3544020503911685817y=
>&gt; Archive: <a rel=3D"nofollow" shape=3D"rect" id=3D"yiv8332068412m_1359=
=3D"nofollow" shape=3D"rect" id=3D"yiv8332068412m_1359472020569513798m_-354=
none">&gt; Donate: <a rel=3D"nofollow" shape=3D"rect" id=3D"yiv8332068412m_=
net/mailman/options/fot/[email-masked]</a><div class=3D"yiv8332068412m_=
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 clear=3D"none">Donate: <a rel=3D"nofollow" shape=3D"rect" id=3D"yiv8332068=
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_1_1536526013624_12535" type=3D"cite"><div id=3D"yiv8332068412m_13594720205=
8332068412m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536=
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/div></div><div class=3D"yiv8332068412m_1359472020569513798m_-3544020503911=
3" id=3D"yiv8332068412m_1359472020569513798m_-3544020503911685817yiv0604855=
r=3D"none"><a rel=3D"nofollow" shape=3D"rect" id=3D"yiv8332068412m_13594720=
e=3D"rect" id=3D"yiv8332068412m_1359472020569513798m_-3544020503911685817yu=
</blockquote></div></div></div></div><div class=3D"yiv8332068412m_135947202=
0569513798m_-3544020503911685817yqt8106787341" id=3D"yiv8332068412m_1359472=
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div></div></div><div class=3D"yiv8332068412yqt4122072611" id=3D"yiv83320684=
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/body></html>
------=_Part_1236168_1799592551.1536581620936--

--===============4062320656030315360==
Content-Transfer-Encoding: 7bit
Content-Disposition: inline

--===============4062320656030315360==--

---

From: Bob Kramer via Fot <[email-masked]>
Date: Mon, 10 Sep 2018 08:42:48 -0500

--===============0404570253922544102==

--000000000000aa355905758489b9
Content-Transfer-Encoding: quoted-printable

Len Renkenberger wrote an article a long time ago for the 6-Pack newsletter
showing how to do this without the factory tools, using polished bar stock
to set up to measure pinion depth. I've used his techniques for years with
great success.

Bob Kramer

On Sun, Sep 9, 2018 at 7:06 PM, John Styduhar via Fot <[email-masked]>
wrote:

> Barry, when you are measuring TR pinion depth, where are you measuring
> from and to?  The TR3 manual only has the dimension from the front face o=
f
> the pinion to the center of the ring gear which would be impossible to
> measure directly with the pinion gear installed.
>
>
>
>> before taking a diff apart. Then you set the new pinion at the same dept=
h
>> Here is a pic of the new pinion head. What do I do with the number on th=
e
>> I have a 4.88 ring and pinion in a box. My Triumph club is running the
>> VTR National near Austin next year and I've been volunteered to head up =
the
ce
n
il
iff
rs.
notes and
e
the rear
ould feel
ng my usual
g
en
hey
e
the
l
rs
k
>> > Unsubscribe/Manage: http://autox.team.net/mailman/
>> options/fot/[email-masked]
>> > Unsubscribe/Manage: http://autox.team.net/mailman/
>> options/fot/[email-masked]
>>
>> >
>> >
>>
>> Unsubscribe/Manage: http://autox.team.net/mailman/
>> options/fot/[email-masked]
>>
>>
>>
>>
>> Unsubscribe/Manage: http://autox.team.net/mailman/
>> options/fot/[email-masked]
>>
>>
>> Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/britcars@
>> bellsouth.net
>>
>>
>>
>>
>>
>> Unsubscribe/Manage: http://autox.team.net/mailman/
>> options/fot/[email-masked]
>>
>>
>> Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/britcars@
>> bellsouth.net
>>
>>
>>
>>
>>
> Unsubscribe/Manage: http://autox.team.net/mailman/
> options/fot/[email-masked]
>
>
>
>

--000000000000aa355905758489b9
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">Len Renkenberger wrote an article a long time ago for the =
6-Pack newsletter showing how to do this without the factory tools, using p=
olished bar stock to set up to measure pinion depth. I&#39;ve used his tech=
niques for years with great=C2=A0success.</div><div class=3D"gmail_extra"><=
br clear=3D"all"><div><div class=3D"gmail_signature" data-smartmail=3D"gmai=
l_signature"><div dir=3D"ltr">Bob Kramer</div></div></div>
<br><div class=3D"gmail_quote">On Sun, Sep 9, 2018 at 7:06 PM, John Styduha=
r via Fot <span dir=3D"ltr">&lt;<a href=3D"mailto:[email-masked]" targe=
t=3D"_blank">[email-masked]</a>&gt;</span> wrote:<br><blockquote class=
=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padd=
ing-left:1ex"><div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-s=
ize:small">Barry, when you are measuring TR pinion depth, where are you mea=
suring from and to?=C2=A0 The TR3 manual only has the dimension from the fr=
ont face of the pinion to the center of the ring gear which would be imposs=
ible to measure directly with the pinion gear installed.=C2=A0 =C2=A0</div>=
</div><div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-size:smal=
l"><br></div><div class=3D"gmail_default" style=3D"font-size:small"><br></d=
iv></div><br><div class=3D"gmail_quote"><div dir=3D"ltr">On Sun, Sep 9, 201=
8 at 5:28 PM barry rosenberg &lt;<a href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a>&gt; wrote:<br></div><blockquot=
e class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc sol=
id;padding-left:1ex"><div><div style=3D"color:#000;background-color:#fff;fo=
nt-family:Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size=
:13px"><div dir=3D"ltr" id=3D"m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12402"><span id=3D"m_-4=
901775303274922524m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym1=
9_1_1536526013624_12401">There is a factory set of tools that one uses to m=
easure pinion depth before taking a diff apart. Then you set the new pinion=
 at the same depth plus or minus the number on the gear.</span></div><div d=
ir=3D"ltr" id=3D"m_-4901775303274922524m_1359472020569513798m_-354402050391=
1685817yui_3_16_0_ym19_1_1536526013624_12404"><span><br></span></div><div d=
ir=3D"ltr" id=3D"m_-4901775303274922524m_1359472020569513798m_-354402050391=
1685817yui_3_16_0_ym19_1_1536526013624_12407"><span>Barry</span></div><div =
class=3D"m_-4901775303274922524m_1359472020569513798m_-3544020503911685817q=
tdSeparateBR" id=3D"m_-4901775303274922524m_1359472020569513798m_-354402050=
3911685817yui_3_16_0_ym19_1_1536526013624_12406"><br><br></div><div class=
=3D"m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yahoo_=
quoted" id=3D"m_-4901775303274922524m_1359472020569513798m_-354402050391168=
5817yui_3_16_0_ym19_1_1536526013624_12469" style=3D"display:block">  <div s=
tyle=3D"font-family:Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif=
;font-size:13px" id=3D"m_-4901775303274922524m_1359472020569513798m_-354402=
0503911685817yui_3_16_0_ym19_1_1536526013624_12468"> <div style=3D"font-fam=
ily:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;f=
ont-size:16px" id=3D"m_-4901775303274922524m_1359472020569513798m_-35440205=
03911685817yui_3_16_0_ym19_1_1536526013624_12467"> <div dir=3D"ltr" id=3D"m=
_-4901775303274922524m_1359472020569513798m_-3544020503911685817yui_3_16_0_=
ym19_1_1536526013624_12466"> <font size=3D"2" face=3D"Arial"> <hr size=3D"1=
"> <b><span style=3D"font-weight:bold">From:</span></b> John Styduhar via F=
ot &lt;<a href=3D"mailto:[email-masked]" target=3D"_blank">[email-masked]=
am.net</a>&gt;<br> <b><span style=3D"font-weight:bold">To:</span></b> Greg =
Blake &lt;<a href=3D"mailto:[email-masked]" target=3D"_blank">gblak=
[email-masked]</a>&gt; <br><b><span style=3D"font-weight:bold">Cc:</span=
></b> Triumph &#39;Friends of Triumph &lt;<a href=3D"mailto:[email-masked].=
net" target=3D"_blank">[email-masked]</a>&gt;<br> <b><span style=3D"fon=
t-weight:bold">Sent:</span></b> Sunday, September 9, 2018 5:12 PM<br> <b><s=
pan style=3D"font-weight:bold">Subject:</span></b> Re: [Fot] Fwd: Crown and=
 pinion gear break in<br> </font> </div> <div class=3D"m_-49017753032749225=
24m_1359472020569513798m_-3544020503911685817y_msg_container" id=3D"m_-4901=
775303274922524m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1=
_1536526013624_12473"><br><div id=3D"m_-4901775303274922524m_13594720205695=
13798m_-3544020503911685817yiv0604855335"><div id=3D"m_-4901775303274922524=
m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_=
12472"><div dir=3D"ltr" id=3D"m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12471"><div class=3D"m_=
-4901775303274922524m_1359472020569513798m_-3544020503911685817yiv060485533=
5gmail_default" style=3D"font-size:small">The &quot;92&quot; is the &quot;m=
atched set&quot; number and should correspond with the set number on the ri=
ng gear.=C2=A0 The other number is the difference in pinion shimming from t=
he &quot;normal&quot;.=C2=A0 =C2=A0 Haha, what is normal?</div><div class=
=3D"m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yiv060=
4855335gmail_default" style=3D"font-size:small" id=3D"m_-490177530327492252=
4m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624=
_12470"><br clear=3D"none"></div></div><br clear=3D"none"><div class=3D"m_-=
4901775303274922524m_1359472020569513798m_-3544020503911685817yiv0604855335=
gmail_quote" id=3D"m_-4901775303274922524m_1359472020569513798m_-3544020503=
911685817yui_3_16_0_ym19_1_1536526013624_12476"><div class=3D"m_-4901775303=
274922524m_1359472020569513798m_-3544020503911685817yiv0604855335yqt8106787=
341" id=3D"m_-4901775303274922524m_1359472020569513798m_-354402050391168581=
7yiv0604855335yqt70545"><div dir=3D"ltr" id=3D"m_-4901775303274922524m_1359=
472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12475"=
>On Sat, Sep 8, 2018 at 12:33 AM Greg Blake via Fot &lt;<a rel=3D"nofollow"=
 shape=3D"rect" href=3D"mailto:[email-masked]" target=3D"_blank">fot@au=
tox.team.net</a>&gt; wrote:<br clear=3D"none"></div><blockquote class=3D"m_=
-4901775303274922524m_1359472020569513798m_-3544020503911685817yiv060485533=
5gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding=
-left:1ex" id=3D"m_-4901775303274922524m_1359472020569513798m_-354402050391=
1685817yui_3_16_0_ym19_1_1536526013624_12480"><div id=3D"m_-490177530327492=
2524m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013=
624_12479">Ok guys and gals.=C2=A0<div id=3D"m_-4901775303274922524m_135947=
2020569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12478"><=
br clear=3D"none"></div><div id=3D"m_-4901775303274922524m_1359472020569513=
798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12487">Here is a p=
ic of the new pinion head. What do I do with the number on the pinion head?=
=C2=A0</div><div><img id=3D"m_-4901775303274922524m_1359472020569513798m_-3=
544020503911685817yiv0604855335m_-3671314450992527492D0E321B3-529F-409C-BF6=
0-3D743DEB9A62" alt=3D"image1.jpeg"><br clear=3D"none"></div><div>Thanks.=
=C2=A0</div><div id=3D"m_-4901775303274922524m_1359472020569513798m_-354402=
0503911685817yui_3_16_0_ym19_1_1536526013624_12490"><br clear=3D"none"><br =
clear=3D"none"><div id=3D"m_-4901775303274922524m_1359472020569513798m_-354=
4020503911685817yiv0604855335m_-3671314450992527492AppleMailSignature">Sent=
 from my iPhone</div><div id=3D"m_-4901775303274922524m_1359472020569513798=
m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12489"><br clear=3D"n=
one">On Sep 7, 2018, at 1:07 PM, Bob Kramer &lt;<a rel=3D"nofollow" shape=
=3D"rect" href=3D"mailto:[email-masked]" target=3D"_blank">rkramer56@g=
mail.com</a>&gt; wrote:<br clear=3D"none"><br clear=3D"none"></div><blockqu=
ote type=3D"cite" id=3D"m_-4901775303274922524m_1359472020569513798m_-35440=
20503911685817yui_3_16_0_ym19_1_1536526013624_12496"><div id=3D"m_-49017753=
03274922524m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_153=
6526013624_12495"><div dir=3D"ltr" id=3D"m_-4901775303274922524m_1359472020=
569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12494">I hav=
e a 4.88 ring and pinion in a box. My Triumph club is running the VTR Natio=
nal near Austin next year and I&#39;ve been volunteered to head up the auto=
cross. I think I&#39;ll build a diff with it and put it in the Beandito, an=
d sell tickets!=C2=A0</div><div class=3D"m_-4901775303274922524m_1359472020=
569513798m_-3544020503911685817yiv0604855335gmail_extra" id=3D"m_-490177530=
3274922524m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536=
526013624_12502"><br clear=3D"all"><div><div class=3D"m_-490177530327492252=
4m_1359472020569513798m_-3544020503911685817yiv0604855335m_-367131445099252=
7492gmail_signature"><div dir=3D"ltr">Bob Kramer</div></div></div>
<br clear=3D"none"><div class=3D"m_-4901775303274922524m_135947202056951379=
8m_-3544020503911685817yiv0604855335gmail_quote" id=3D"m_-49017753032749225=
24m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_153652601362=
4_12501">On Fri, Sep 7, 2018 at 8:37 AM, barry rosenberg via Fot <span dir=
=3D"ltr">&lt;<a rel=3D"nofollow" shape=3D"rect" href=3D"mailto:[email-masked]=
am.net" target=3D"_blank">[email-masked]</a>&gt;</span> wrote:<br clear=
=3D"none"><blockquote class=3D"m_-4901775303274922524m_1359472020569513798m=
_-3544020503911685817yiv0604855335gmail_quote" style=3D"margin:0 0 0 .8ex;b=
order-left:1px #ccc solid;padding-left:1ex" id=3D"m_-4901775303274922524m_1=
359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_125=
00"><div id=3D"m_-4901775303274922524m_1359472020569513798m_-35440205039116=
85817yui_3_16_0_ym19_1_1536526013624_12499"><div style=3D"color:#000;backgr=
ound-color:#fff;font-family:Helvetica Neue,Helvetica,Arial,Lucida Grande,sa=
ns-serif;font-size:13px" id=3D"m_-4901775303274922524m_1359472020569513798m=
_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12498"><div id=3D"m_-4=
901775303274922524m_1359472020569513798m_-3544020503911685817yiv0604855335m=
_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_=
12427"><span id=3D"m_-4901775303274922524m_1359472020569513798m_-3544020503=
911685817yiv0604855335m_-3671314450992527492m_-6928659416193145832yui_3_16_=
0_ym19_1_1536326086781_12426">Wasn&#39;t this the new set of gears? If so, =
they were new old stock from England. They once belonged to Jim Ealy, who o=
wned a black, 1966 TR4A race car. I bought his junk yard to get his race ca=
r and the gears were new in the box. I knew him since 1973 and he had the g=
ears then. I had them until recently. I would not think that back then ther=
e were cheap reproduction gears available. He had 4:11, the 4:55 and 4:88 (=
great fun but useless). The 4:11 went in the car when I sold it, the 4:88 w=
ere put in a locked diff and played with on the street; the 4:55 sat on a s=
helf for all those years. If the diff still had fluid in it, then it has to=
 be improper set up, unfortunately.</span></div><div id=3D"m_-4901775303274=
922524m_1359472020569513798m_-3544020503911685817yiv0604855335m_-3671314450=
992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_12427"><span=
><br clear=3D"none"></span></div><div id=3D"m_-4901775303274922524m_1359472=
020569513798m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-692=
8659416193145832yui_3_16_0_ym19_1_1536326086781_12427"><span>Barry</span></=
div><div class=3D"m_-4901775303274922524m_1359472020569513798m_-35440205039=
11685817yiv0604855335m_-3671314450992527492m_-6928659416193145832qtdSeparat=
eBR" id=3D"m_-4901775303274922524m_1359472020569513798m_-354402050391168581=
7yiv0604855335m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1=
_1536326086781_12440"><br clear=3D"none"><br clear=3D"none"></div><div clas=
s=3D"m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yiv06=
04855335m_-3671314450992527492m_-6928659416193145832yahoo_quoted" id=3D"m_-=
4901775303274922524m_1359472020569513798m_-3544020503911685817yiv0604855335=
m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781=
_12446" style=3D"display:block">  <div id=3D"m_-4901775303274922524m_135947=
2020569513798m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-69=
28659416193145832yui_3_16_0_ym19_1_1536326086781_12445" style=3D"font-famil=
y:Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:13px"> =
<div id=3D"m_-4901775303274922524m_1359472020569513798m_-354402050391168581=
7yiv0604855335m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1=
_1536326086781_12444" style=3D"font-family:HelveticaNeue,Helvetica Neue,Hel=
vetica,Arial,Lucida Grande,sans-serif;font-size:16px"> <div dir=3D"ltr" id=
=3D"m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yiv060=
4855335m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_153632=
6086781_12443"> <font id=3D"m_-4901775303274922524m_1359472020569513798m_-3=
544020503911685817yiv0604855335m_-3671314450992527492m_-6928659416193145832=
yui_3_16_0_ym19_1_1536326086781_12442" size=3D"2" face=3D"Arial"> </font><h=
r id=3D"m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yi=
v0604855335m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_15=
36326086781_12441" size=3D"1"> <b><span style=3D"font-weight:bold">From:</s=
pan></b> Greg Blake via Fot &lt;<a rel=3D"nofollow" shape=3D"rect" href=3D"=
mailto:[email-masked]" id=3D"m_-4901775303274922524m_135947202056951379=
8m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12509" target=3D"_bl=
ank">[email-masked]</a>&gt;<br clear=3D"none"> <b><span style=3D"font-w=
eight:bold">To:</span></b> Fot &lt;<a rel=3D"nofollow" shape=3D"rect" href=
=3D"mailto:[email-masked]" target=3D"_blank">[email-masked]</a>&gt;=
 <br clear=3D"none"><b><span style=3D"font-weight:bold">Cc:</span></b> fot =
&lt;<a rel=3D"nofollow" shape=3D"rect" href=3D"mailto:[email-masked]" t=
arget=3D"_blank">[email-masked]</a>&gt;<br clear=3D"none"> <b><span sty=
le=3D"font-weight:bold">Sent:</span></b> Friday, September 7, 2018 6:14 AM<=
br clear=3D"none"> <b><span style=3D"font-weight:bold">Subject:</span></b> =
Re: [Fot] Fwd:  Crown and pinion gear break in<br clear=3D"none">  </div> <=
div class=3D"m_-4901775303274922524m_1359472020569513798m_-3544020503911685=
817yiv0604855335m_-3671314450992527492m_-6928659416193145832y_msg_container=
" id=3D"m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yi=
v0604855335m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_15=
36326086781_13039"><br clear=3D"none"><div id=3D"m_-4901775303274922524m_13=
59472020569513798m_-3544020503911685817yiv0604855335m_-3671314450992527492m=
_-6928659416193145832yiv8608138712"><div id=3D"m_-4901775303274922524m_1359=
472020569513798m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-=
6928659416193145832yui_3_16_0_ym19_1_1536326086781_13040">Thanks guys for a=
ll the feedback.=C2=A0<div id=3D"m_-4901775303274922524m_135947202056951379=
8m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-69286594161931=
45832yui_3_16_0_ym19_1_1536326086781_13041"><br clear=3D"none"></div><div i=
d=3D"m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yiv06=
04855335m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_15363=
26086781_13042">So far I have only put the car in the air and pulled the co=
ver. There is ample evidence of excessive heat so something went wrong with=
 my setup.=C2=A0</div><div id=3D"m_-4901775303274922524m_135947202056951379=
8m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-69286594161931=
45832yui_3_16_0_ym19_1_1536326086781_13043"><br clear=3D"none"></div><div i=
d=3D"m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yiv06=
04855335m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_15363=
26086781_13044">I might get the chance to pull it all out of the car and ta=
ke some measurements on Sunday. Once I do, I=E2=80=99ll share my original s=
etup notes and what I measure upon disassembly.</div><div id=3D"m_-49017753=
03274922524m_1359472020569513798m_-3544020503911685817yiv0604855335m_-36713=
14450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_13045">=
<br clear=3D"none"></div><div id=3D"m_-4901775303274922524m_135947202056951=
3798m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-69286594161=
93145832yui_3_16_0_ym19_1_1536326086781_13046">On a related note. I ordered=
 a new gear set from Rimmer on Monday and it arrived in Austin today, stand=
ard shipping. Amazing. Way faster than some of our domestic suppliers.=C2=
=A0</div><div><br clear=3D"none"></div><div>This new gear set was supplied =
by Bastuck. Hopefully lasts a little longer. =C2=A0</div><div id=3D"m_-4901=
775303274922524m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1=
_1536526013624_12515"><br clear=3D"none"><div id=3D"m_-4901775303274922524m=
_1359472020569513798m_-3544020503911685817yiv0604855335m_-36713144509925274=
92m_-6928659416193145832yiv8608138712AppleMailSignature">Sent from my iPhon=
e</div><div class=3D"m_-4901775303274922524m_1359472020569513798m_-35440205=
03911685817yiv0604855335m_-3671314450992527492m_-6928659416193145832yiv8608=
138712yqt3328800303" id=3D"m_-4901775303274922524m_1359472020569513798m_-35=
44020503911685817yiv0604855335m_-3671314450992527492m_-6928659416193145832y=
iv8608138712yqt60981"><div><br clear=3D"none">On Sep 6, 2018, at 7:41 AM, R=
ick Parent via Fot &lt;<a rel=3D"nofollow" shape=3D"rect" href=3D"mailto:fo=
[email-masked]" target=3D"_blank">[email-masked]</a>&gt; wrote:<br cl=
ear=3D"none"><br clear=3D"none"></div><blockquote type=3D"cite" id=3D"m_-49=
01775303274922524m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19=
_1_1536526013624_12523"><div id=3D"m_-4901775303274922524m_1359472020569513=
798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12522"><div style=
=3D"color:#000;background-color:#fff;font-family:Helvetica Neue,Helvetica,A=
rial,Lucida Grande,sans-serif;font-size:13px" id=3D"m_-4901775303274922524m=
_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_1=
2521"><div id=3D"m_-4901775303274922524m_1359472020569513798m_-354402050391=
1685817yiv0604855335m_-3671314450992527492m_-6928659416193145832yiv86081387=
12yui_3_16_0_ym19_1_1536237470748_10096"><span id=3D"m_-4901775303274922524=
m_1359472020569513798m_-3544020503911685817yiv0604855335m_-3671314450992527=
492m_-6928659416193145832yiv8608138712yui_3_16_0_ym19_1_1536237470748_10136=
">Looks like the pinion was way to deep.</span></div> <div class=3D"m_-4901=
775303274922524m_1359472020569513798m_-3544020503911685817yiv0604855335m_-3=
671314450992527492m_-6928659416193145832yiv8608138712qtdSeparateBR"><br cle=
ar=3D"none"><br clear=3D"none"></div><div class=3D"m_-4901775303274922524m_=
1359472020569513798m_-3544020503911685817yiv0604855335m_-367131445099252749=
2m_-6928659416193145832yiv8608138712yahoo_quoted" style=3D"display:block" i=
d=3D"m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yui_3=
_16_0_ym19_1_1536526013624_12520"> <div style=3D"font-family:Helvetica Neue=
,Helvetica,Arial,Lucida Grande,sans-serif;font-size:13px" id=3D"m_-49017753=
03274922524m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_153=
6526013624_12519"> <div style=3D"font-family:HelveticaNeue,Helvetica Neue,H=
elvetica,Arial,Lucida Grande,sans-serif;font-size:16px" id=3D"m_-4901775303=
274922524m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_15365=
26013624_12518"> <div dir=3D"ltr"><font size=3D"2" face=3D"Arial"> On Thurs=
day, September 6, 2018 6:38 AM, Bill via Fot &lt;<a rel=3D"nofollow" shape=
=3D"rect" href=3D"mailto:[email-masked]" target=3D"_blank">[email-masked]=
am.net</a>&gt; wrote:<br clear=3D"none"></font></div>  <br clear=3D"none"><=
br clear=3D"none"> <div class=3D"m_-4901775303274922524m_135947202056951379=
8m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-69286594161931=
45832yiv8608138712y_msg_container" id=3D"m_-4901775303274922524m_1359472020=
569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12517"><div =
dir=3D"ltr" id=3D"m_-4901775303274922524m_1359472020569513798m_-35440205039=
11685817yui_3_16_0_ym19_1_1536526013624_12516">I doubt if a break-in proced=
ure could have prevented failure, but as Marcel says, checking the temperat=
ure of the diff could have stopped the damage. The likely culprits are inco=
rrect engagement or bad parts, but anything that heats the gears enough to =
cook the oil off the parts will kill the gears. I had a close call with one=
 of the gear sets I use. Apparently I screwed up somewhere in checking fit=
=E2=80=94when I pulled the rear end to assess the problem there was no back=
lash. I have a huge finned differential cover so checking temperature doesn=
=E2=80=99t help, but I could feel the car slowing quickly between shifts. F=
ortunately I wasn=E2=80=99t doing my usual clutchless shifts and noticed th=
e sudden deceleration every time I disengaged the clutch. The gear teeth we=
re slightly blued and the oil smelled like a cesspool, but the gears were s=
till usable once I did the setup properly. <br clear=3D"none"><br clear=3D"=
none">Bill<br clear=3D"none"> <br clear=3D"none">&gt; On Sep 5, 2018, at 1:=
48 AM, van.mulders.marcel--- via Fot &lt;<a rel=3D"nofollow" shape=3D"rect"=
 href=3D"mailto:[email-masked]" target=3D"_blank">[email-masked]</a=
>&gt; wrote:<br clear=3D"none">&gt; <br clear=3D"none">&gt; <br clear=3D"no=
ne">&gt; <br clear=3D"none">&gt; ----- Doorgestuurd bericht -----<br clear=
=3D"none">&gt; Van: &quot;van mulders marcel&quot; &lt;<a rel=3D"nofollow" =
shape=3D"rect" href=3D"mailto:[email-masked]" target=3D"_bla=
nk">[email-masked]</a><wbr>&gt;<br clear=3D"none">&gt; Aan: =
&quot;Greg Blake&quot; &lt;<a rel=3D"nofollow" shape=3D"rect" href=3D"mailt=
o:[email-masked]" target=3D"_blank">[email-masked]</a>&gt;<=
br clear=3D"none">&gt; Verzonden: Woensdag 5 september 2018 10:47:59<br cle=
ar=3D"none">&gt; Onderwerp: Re: [Fot] Crown and pinion gear break in<br cle=
ar=3D"none">&gt; <br clear=3D"none">&gt; I think it is good measure to chec=
k the heat of the differential casing after a few laps when the pinion and =
crownwheel are freshly mounted : when the casing gets very hot, something i=
s wrong : or the parts are bad or they are mounted not correctly<br clear=
=3D"none">&gt; There are at least 2 manufactures of the TR parts, I forgot =
about the names. As far as I know, used original parts are running cooler t=
han some of the aftermarked parts. How was the noise of the diff? Did you n=
otice the smell during the first laps?<br clear=3D"none">&gt; Marcel<br cle=
ar=3D"none">&gt; <br clear=3D"none">&gt; ----- Oorspronkelijk bericht -----=
<br clear=3D"none">&gt; Van: &quot;fot&quot; &lt;<a rel=3D"nofollow" shape=
=3D"rect" href=3D"mailto:[email-masked]" target=3D"_blank">[email-masked]=
am.net</a>&gt;<br clear=3D"none">&gt; Aan: &quot;fot&quot; &lt;<a rel=3D"no=
follow" shape=3D"rect" href=3D"mailto:[email-masked]" target=3D"_blank"=
>[email-masked]</a>&gt;<br clear=3D"none">&gt; Verzonden: Woensdag 5 se=
ptember 2018 03:25:39<br clear=3D"none">&gt; Onderwerp: [Fot] Crown and pin=
ion gear break in<br clear=3D"none">&gt; <br clear=3D"none">&gt; I would lo=
ve to here the FOT experience in breaking in new differential gears. What h=
as worked well for you in the past?=C2=A0 <br clear=3D"none">&gt; <br clear=
=3D"none">&gt; Last weekend, I was running the TR3 at Hallett with a brand =
new 4.55 gear set and it failed. I probably got 30 laps total in 4 sessions=
 on track. I did not think to follow any set break in procedure with the ge=
ars and I am wondering if that is why they failed. <br clear=3D"none">&gt; =
<br clear=3D"none">&gt; I am interested in the lists experience with brand =
new or new old stock ring and pinion break in. <br clear=3D"none">&gt; <br =
clear=3D"none">&gt; Here is a pic of the failed set. <br clear=3D"none">&gt=
; <br clear=3D"none">&gt; <br clear=3D"none">&gt; <br clear=3D"none">&gt; [=
image/jpeg:image1.jpeg]<br clear=3D"none">&gt; <br clear=3D"none">&gt; <br =
clear=3D"none">&gt; <br clear=3D"none">&gt; Sent from my iPhone<br clear=3D=
"none">&gt; ______________________________<wbr>_________________<br clear=
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--000000000000aa355905758489b9--

--===============0404570253922544102==
Content-Transfer-Encoding: 7bit
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--===============0404570253922544102==--

---

From: John Styduhar via Fot <[email-masked]>
Date: Mon, 10 Sep 2018 15:10:02 -0400

--===============4791637044325067290==

--0000000000008ae38e0575891b24

--0000000000008ae38d0575891b23
Content-Transfer-Encoding: quoted-printable

I looked at my TR3, TR4/4A, and TR250/6 shop manuals, and all of them show
the same factory tools to set the pinion depth measuring to the TOP of the
pinion head.  So why do the TR3 and 4 manuals have a rear axle illustration
that shows the critical measurement to the BACKSIDE of the pinion head??
Is the length of the gear on the pinion the same length regardless of
ratio?

On Mon, Sep 10, 2018 at 9:43 AM Bob Kramer <[email-masked]> wrote:

> Len Renkenberger wrote an article a long time ago for the 6-Pack
> newsletter showing how to do this without the factory tools, using polish=
ed
> bar stock to set up to measure pinion depth. I've used his techniques for
> years with great success.
>
> Bob Kramer
>
> On Sun, Sep 9, 2018 at 7:06 PM, John Styduhar via Fot <[email-masked]=
>
> wrote:
>
>> from and to?  The TR3 manual only has the dimension from the front face =
of
>>> before taking a diff apart. Then you set the new pinion at the same dep=
th
>>> Here is a pic of the new pinion head. What do I do with the number on
>>> the pinion head?
>>> Thanks.
>>>
>>>
>>> Sent from my iPhone
>>>
>>> VTR National near Austin next year and I've been volunteered to head up=
 the
>>> autocross. I think I'll build a diff with it and put it in the Beandito=
,
>>> England. They once belonged to Jim Ealy, who owned a black, 1966 TR4A r=
ace
>>> car. I bought his junk yard to get his race car and the gears were new =
in
>>> the box. I knew him since 1973 and he had the gears then. I had them un=
til
>>> recently. I would not think that back then there were cheap reproductio=
n
>>> gears available. He had 4:11, the 4:55 and 4:88 (great fun but useless)=
.
>>> The 4:11 went in the car when I sold it, the 4:88 were put in a locked =
diff
>>> and played with on the street; the 4:55 sat on a shelf for all those ye=
ars.
s
>>> measurements on Sunday. Once I do, I=E2=80=99ll share my original setup=
 notes and
>>> On a related note. I ordered a new gear set from Rimmer on Monday and i=
t
>>> arrived in Austin today, standard shipping. Amazing. Way faster than so=
me
>>> On Thursday, September 6, 2018 6:38 AM, Bill via Fot <[email-masked]=
t>
>>> Marcel says, checking the temperature of the diff could have stopped th=
e
>>> Apparently I screwed up somewhere in checking fit=E2=80=94when I pulled=
 the rear
>>> differential cover so checking temperature doesn=E2=80=99t help, but I =
could feel
>>> the car slowing quickly between shifts. Fortunately I wasn=E2=80=99t do=
ing my usual
>>> > I think it is good measure to check the heat of the differential
>>> casing after a few laps when the pinion and crownwheel are freshly moun=
ted
>>> : when the casing gets very hot, something is wrong : or the parts are =
bad
>>> or they are mounted not correctly
>>> names. As far as I know, used original parts are running cooler than so=
me
>>> of the aftermarked parts. How was the noise of the diff? Did you notice=
 the
>>> > I would love to here the FOT experience in breaking in new
>>> differential gears. What has worked well for you in the past?
>>> >
>>> track. I did not think to follow any set break in procedure with the ge=
ars
>>> > I am interested in the lists experience with brand new or new old
>>> stock ring and pinion break in.
>>> >

--0000000000008ae38d0575891b23
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-size:small">I l=
ooked at my TR3, TR4/4A, and TR250/6 shop manuals, and all of them show the=
 same factory tools to set the pinion depth measuring to the TOP of the pin=
ion head.=C2=A0 So why do the TR3 and 4 manuals have a rear axle illustrati=
on that shows the critical measurement to the BACKSIDE of the pinion head??=
=C2=A0 Is the length of the gear on the pinion the same length regardless o=
f ratio?=C2=A0=C2=A0</div><div class=3D"gmail_default" style=3D"font-size:s=
mall"><div><img src=3D"cid:ii_jlwnsioa0" alt=3D"image.png" width=3D"400" he=
ight=3D"563"><img src=3D"cid:ii_jlwnttzq1" alt=3D"image.png" width=3D"400" =
height=3D"563"><br></div></div></div><br><div class=3D"gmail_quote"><div di=
r=3D"ltr">On Mon, Sep 10, 2018 at 9:43 AM Bob Kramer &lt;<a href=3D"mailto:=
[email-masked]">[email-masked]</a>&gt; wrote:<br></div><blockquot=
e class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc sol=
id;padding-left:1ex"><div dir=3D"ltr">Len Renkenberger wrote an article a l=
ong time ago for the 6-Pack newsletter showing how to do this without the f=
actory tools, using polished bar stock to set up to measure pinion depth. I=
&#39;ve used his techniques for years with great=C2=A0success.</div><div cl=
ass=3D"gmail_extra"><br clear=3D"all"><div><div class=3D"m_-913748819539741=
7476gmail_signature" data-smartmail=3D"gmail_signature"><div dir=3D"ltr">Bo=
b Kramer</div></div></div>
<br><div class=3D"gmail_quote">On Sun, Sep 9, 2018 at 7:06 PM, John Styduha=
r via Fot <span dir=3D"ltr">&lt;<a href=3D"mailto:[email-masked]" targe=
t=3D"_blank">[email-masked]</a>&gt;</span> wrote:<br><blockquote class=
=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padd=
ing-left:1ex"><div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-s=
ize:small">Barry, when you are measuring TR pinion depth, where are you mea=
suring from and to?=C2=A0 The TR3 manual only has the dimension from the fr=
ont face of the pinion to the center of the ring gear which would be imposs=
ible to measure directly with the pinion gear installed.=C2=A0 =C2=A0</div>=
</div><div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-size:smal=
l"><br></div><div class=3D"gmail_default" style=3D"font-size:small"><br></d=
iv></div><br><div class=3D"gmail_quote"><div dir=3D"ltr">On Sun, Sep 9, 201=
8 at 5:28 PM barry rosenberg &lt;<a href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a>&gt; wrote:<br></div><blockquot=
e class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc sol=
id;padding-left:1ex"><div><div style=3D"color:#000;background-color:#fff;fo=
nt-family:Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size=
:13px"><div dir=3D"ltr" id=3D"m_-9137488195397417476m_-4901775303274922524m=
_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_1=
2402"><span id=3D"m_-9137488195397417476m_-4901775303274922524m_13594720205=
69513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12401">There =
is a factory set of tools that one uses to measure pinion depth before taki=
ng a diff apart. Then you set the new pinion at the same depth plus or minu=
s the number on the gear.</span></div><div dir=3D"ltr" id=3D"m_-91374881953=
97417476m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yu=
i_3_16_0_ym19_1_1536526013624_12404"><span><br></span></div><div dir=3D"ltr=
" id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12407"><span>Barry</spa=
n></div><div class=3D"m_-9137488195397417476m_-4901775303274922524m_1359472=
020569513798m_-3544020503911685817qtdSeparateBR" id=3D"m_-91374881953974174=
76m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yui_3_16=
_0_ym19_1_1536526013624_12406"><br><br></div><div class=3D"m_-9137488195397=
417476m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yaho=
o_quoted" id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569=
513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12469" style=3D=
"display:block">  <div style=3D"font-family:Helvetica Neue,Helvetica,Arial,=
Lucida Grande,sans-serif;font-size:13px" id=3D"m_-9137488195397417476m_-490=
1775303274922524m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_=
1_1536526013624_12468"> <div style=3D"font-family:HelveticaNeue,Helvetica N=
eue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:16px" id=3D"m_-91374=
88195397417476m_-4901775303274922524m_1359472020569513798m_-354402050391168=
5817yui_3_16_0_ym19_1_1536526013624_12467"> <div dir=3D"ltr" id=3D"m_-91374=
88195397417476m_-4901775303274922524m_1359472020569513798m_-354402050391168=
5817yui_3_16_0_ym19_1_1536526013624_12466"> <font size=3D"2" face=3D"Arial"=
> <hr size=3D"1"> <b><span style=3D"font-weight:bold">From:</span></b> John=
 Styduhar via Fot &lt;<a href=3D"mailto:[email-masked]" target=3D"_blan=
k">[email-masked]</a>&gt;<br> <b><span style=3D"font-weight:bold">To:</=
span></b> Greg Blake &lt;<a href=3D"mailto:[email-masked]" target=
=3D"_blank">[email-masked]</a>&gt; <br><b><span style=3D"font-weigh=
t:bold">Cc:</span></b> Triumph &#39;Friends of Triumph &lt;<a href=3D"mailt=
o:[email-masked]" target=3D"_blank">[email-masked]</a>&gt;<br> <b><=
span style=3D"font-weight:bold">Sent:</span></b> Sunday, September 9, 2018 =
5:12 PM<br> <b><span style=3D"font-weight:bold">Subject:</span></b> Re: [Fo=
t] Fwd: Crown and pinion gear break in<br> </font> </div> <div class=3D"m_-=
9137488195397417476m_-4901775303274922524m_1359472020569513798m_-3544020503=
911685817y_msg_container" id=3D"m_-9137488195397417476m_-490177530327492252=
4m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624=
_12473"><br><div id=3D"m_-9137488195397417476m_-4901775303274922524m_135947=
2020569513798m_-3544020503911685817yiv0604855335"><div id=3D"m_-91374881953=
97417476m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yu=
i_3_16_0_ym19_1_1536526013624_12472"><div dir=3D"ltr" id=3D"m_-913748819539=
7417476m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yui=
_3_16_0_ym19_1_1536526013624_12471"><div class=3D"m_-9137488195397417476m_-=
4901775303274922524m_1359472020569513798m_-3544020503911685817yiv0604855335=
gmail_default" style=3D"font-size:small">The &quot;92&quot; is the &quot;ma=
tched set&quot; number and should correspond with the set number on the rin=
g gear.=C2=A0 The other number is the difference in pinion shimming from th=
e &quot;normal&quot;.=C2=A0 =C2=A0 Haha, what is normal?</div><div class=3D=
"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_-354402=
0503911685817yiv0604855335gmail_default" style=3D"font-size:small" id=3D"m_=
-9137488195397417476m_-4901775303274922524m_1359472020569513798m_-354402050=
3911685817yui_3_16_0_ym19_1_1536526013624_12470"><br clear=3D"none"></div><=
/div><br clear=3D"none"><div class=3D"m_-9137488195397417476m_-490177530327=
4922524m_1359472020569513798m_-3544020503911685817yiv0604855335gmail_quote"=
 id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_-=
3544020503911685817yui_3_16_0_ym19_1_1536526013624_12476"><div class=3D"m_-=
9137488195397417476m_-4901775303274922524m_1359472020569513798m_-3544020503=
911685817yiv0604855335yqt8106787341" id=3D"m_-9137488195397417476m_-4901775=
303274922524m_1359472020569513798m_-3544020503911685817yiv0604855335yqt7054=
5"><div dir=3D"ltr" id=3D"m_-9137488195397417476m_-4901775303274922524m_135=
9472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12475=
">On Sat, Sep 8, 2018 at 12:33 AM Greg Blake via Fot &lt;<a rel=3D"nofollow=
" shape=3D"rect" href=3D"mailto:[email-masked]" target=3D"_blank">fot@a=
utox.team.net</a>&gt; wrote:<br clear=3D"none"></div><blockquote class=3D"m=
_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_-35440205=
03911685817yiv0604855335gmail_quote" style=3D"margin:0 0 0 .8ex;border-left=
:1px #ccc solid;padding-left:1ex" id=3D"m_-9137488195397417476m_-4901775303=
274922524m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_15365=
26013624_12480"><div id=3D"m_-9137488195397417476m_-4901775303274922524m_13=
59472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_1247=
9">Ok guys and gals.=C2=A0<div id=3D"m_-9137488195397417476m_-4901775303274=
922524m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_15365260=
13624_12478"><br clear=3D"none"></div><div id=3D"m_-9137488195397417476m_-4=
901775303274922524m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym1=
9_1_1536526013624_12487">Here is a pic of the new pinion head. What do I do=
 with the number on the pinion head?=C2=A0</div><div><img id=3D"m_-91374881=
95397417476m_-4901775303274922524m_1359472020569513798m_-354402050391168581=
7yiv0604855335m_-3671314450992527492D0E321B3-529F-409C-BF60-3D743DEB9A62" a=
lt=3D"image1.jpeg"><br clear=3D"none"></div><div>Thanks.=C2=A0</div><div id=
=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_-354=
4020503911685817yui_3_16_0_ym19_1_1536526013624_12490"><br clear=3D"none"><=
br clear=3D"none"><div id=3D"m_-9137488195397417476m_-4901775303274922524m_=
1359472020569513798m_-3544020503911685817yiv0604855335m_-367131445099252749=
2AppleMailSignature">Sent from my iPhone</div><div id=3D"m_-913748819539741=
7476m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yui_3_=
16_0_ym19_1_1536526013624_12489"><br clear=3D"none">On Sep 7, 2018, at 1:07=
 PM, Bob Kramer &lt;<a rel=3D"nofollow" shape=3D"rect" href=3D"mailto:rkram=
[email-masked]" target=3D"_blank">[email-masked]</a>&gt; wrote:<br cle=
ar=3D"none"><br clear=3D"none"></div><blockquote type=3D"cite" id=3D"m_-913=
7488195397417476m_-4901775303274922524m_1359472020569513798m_-3544020503911=
685817yui_3_16_0_ym19_1_1536526013624_12496"><div id=3D"m_-9137488195397417=
476m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yui_3_1=
6_0_ym19_1_1536526013624_12495"><div dir=3D"ltr" id=3D"m_-91374881953974174=
76m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yui_3_16=
_0_ym19_1_1536526013624_12494">I have a 4.88 ring and pinion in a box. My T=
riumph club is running the VTR National near Austin next year and I&#39;ve =
been volunteered to head up the autocross. I think I&#39;ll build a diff wi=
th it and put it in the Beandito, and sell tickets!=C2=A0</div><div class=
=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_-354=
4020503911685817yiv0604855335gmail_extra" id=3D"m_-9137488195397417476m_-49=
01775303274922524m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19=
_1_1536526013624_12502"><br clear=3D"all"><div><div class=3D"m_-91374881953=
97417476m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yi=
v0604855335m_-3671314450992527492gmail_signature"><div dir=3D"ltr">Bob Kram=
er</div></div></div>
<br clear=3D"none"><div class=3D"m_-9137488195397417476m_-49017753032749225=
24m_1359472020569513798m_-3544020503911685817yiv0604855335gmail_quote" id=
=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_-354=
4020503911685817yui_3_16_0_ym19_1_1536526013624_12501">On Fri, Sep 7, 2018 =
at 8:37 AM, barry rosenberg via Fot <span dir=3D"ltr">&lt;<a rel=3D"nofollo=
w" shape=3D"rect" href=3D"mailto:[email-masked]" target=3D"_blank">fot@=
autox.team.net</a>&gt;</span> wrote:<br clear=3D"none"><blockquote class=3D=
"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_-354402=
0503911685817yiv0604855335gmail_quote" style=3D"margin:0 0 0 .8ex;border-le=
ft:1px #ccc solid;padding-left:1ex" id=3D"m_-9137488195397417476m_-49017753=
03274922524m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_153=
6526013624_12500"><div id=3D"m_-9137488195397417476m_-4901775303274922524m_=
1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12=
499"><div style=3D"color:#000;background-color:#fff;font-family:Helvetica N=
eue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:13px" id=3D"m_-91374=
88195397417476m_-4901775303274922524m_1359472020569513798m_-354402050391168=
5817yui_3_16_0_ym19_1_1536526013624_12498"><div id=3D"m_-913748819539741747=
6m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yiv060485=
5335m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_153632608=
6781_12427"><span id=3D"m_-9137488195397417476m_-4901775303274922524m_13594=
72020569513798m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-6=
928659416193145832yui_3_16_0_ym19_1_1536326086781_12426">Wasn&#39;t this th=
e new set of gears? If so, they were new old stock from England. They once =
belonged to Jim Ealy, who owned a black, 1966 TR4A race car. I bought his j=
unk yard to get his race car and the gears were new in the box. I knew him =
since 1973 and he had the gears then. I had them until recently. I would no=
t think that back then there were cheap reproduction gears available. He ha=
d 4:11, the 4:55 and 4:88 (great fun but useless). The 4:11 went in the car=
 when I sold it, the 4:88 were put in a locked diff and played with on the =
street; the 4:55 sat on a shelf for all those years. If the diff still had =
fluid in it, then it has to be improper set up, unfortunately.</span></div>=
<div id=3D"m_-9137488195397417476m_-4901775303274922524m_135947202056951379=
8m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-69286594161931=
45832yui_3_16_0_ym19_1_1536326086781_12427"><span><br clear=3D"none"></span=
></div><div id=3D"m_-9137488195397417476m_-4901775303274922524m_13594720205=
69513798m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-6928659=
416193145832yui_3_16_0_ym19_1_1536326086781_12427"><span>Barry</span></div>=
<div class=3D"m_-9137488195397417476m_-4901775303274922524m_135947202056951=
3798m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-69286594161=
93145832qtdSeparateBR" id=3D"m_-9137488195397417476m_-4901775303274922524m_=
1359472020569513798m_-3544020503911685817yiv0604855335m_-367131445099252749=
2m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_12440"><br clear=3D"=
none"><br clear=3D"none"></div><div class=3D"m_-9137488195397417476m_-49017=
75303274922524m_1359472020569513798m_-3544020503911685817yiv0604855335m_-36=
71314450992527492m_-6928659416193145832yahoo_quoted" id=3D"m_-9137488195397=
417476m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yiv0=
604855335m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536=
326086781_12446" style=3D"display:block">  <div id=3D"m_-913748819539741747=
6m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yiv060485=
5335m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_153632608=
6781_12445" style=3D"font-family:Helvetica Neue,Helvetica,Arial,Lucida Gran=
de,sans-serif;font-size:13px"> <div id=3D"m_-9137488195397417476m_-49017753=
03274922524m_1359472020569513798m_-3544020503911685817yiv0604855335m_-36713=
14450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_12444" =
style=3D"font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Gr=
ande,sans-serif;font-size:16px"> <div dir=3D"ltr" id=3D"m_-9137488195397417=
476m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yiv0604=
855335m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326=
086781_12443"> <font id=3D"m_-9137488195397417476m_-4901775303274922524m_13=
59472020569513798m_-3544020503911685817yiv0604855335m_-3671314450992527492m=
_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_12442" size=3D"2" face=
=3D"Arial"> </font><hr id=3D"m_-9137488195397417476m_-4901775303274922524m_=
1359472020569513798m_-3544020503911685817yiv0604855335m_-367131445099252749=
2m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_12441" size=3D"1"> <=
b><span style=3D"font-weight:bold">From:</span></b> Greg Blake via Fot &lt;=
<a rel=3D"nofollow" shape=3D"rect" href=3D"mailto:[email-masked]" id=3D=
"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_-354402=
0503911685817yui_3_16_0_ym19_1_1536526013624_12509" target=3D"_blank">fot@a=
utox.team.net</a>&gt;<br clear=3D"none"> <b><span style=3D"font-weight:bold=
">To:</span></b> Fot &lt;<a rel=3D"nofollow" shape=3D"rect" href=3D"mailto:=
[email-masked]" target=3D"_blank">[email-masked]</a>&gt; <br clear=
=3D"none"><b><span style=3D"font-weight:bold">Cc:</span></b> fot &lt;<a rel=
=3D"nofollow" shape=3D"rect" href=3D"mailto:[email-masked]" target=3D"_=
blank">[email-masked]</a>&gt;<br clear=3D"none"> <b><span style=3D"font=
-weight:bold">Sent:</span></b> Friday, September 7, 2018 6:14 AM<br clear=
=3D"none"> <b><span style=3D"font-weight:bold">Subject:</span></b> Re: [Fot=
] Fwd:  Crown and pinion gear break in<br clear=3D"none">  </div> <div clas=
s=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_-35=
44020503911685817yiv0604855335m_-3671314450992527492m_-6928659416193145832y=
_msg_container" id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472=
020569513798m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-692=
8659416193145832yui_3_16_0_ym19_1_1536326086781_13039"><br clear=3D"none"><=
div id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798=
m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-692865941619314=
5832yiv8608138712"><div id=3D"m_-9137488195397417476m_-4901775303274922524m=
_1359472020569513798m_-3544020503911685817yiv0604855335m_-36713144509925274=
92m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_13040">Thanks guys =
for all the feedback.=C2=A0<div id=3D"m_-9137488195397417476m_-490177530327=
4922524m_1359472020569513798m_-3544020503911685817yiv0604855335m_-367131445=
0992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_13041"><br =
clear=3D"none"></div><div id=3D"m_-9137488195397417476m_-490177530327492252=
4m_1359472020569513798m_-3544020503911685817yiv0604855335m_-367131445099252=
7492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_13042">So far I h=
ave only put the car in the air and pulled the cover. There is ample eviden=
ce of excessive heat so something went wrong with my setup.=C2=A0</div><div=
 id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_-=
3544020503911685817yiv0604855335m_-3671314450992527492m_-692865941619314583=
2yui_3_16_0_ym19_1_1536326086781_13043"><br clear=3D"none"></div><div id=3D=
"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_-354402=
0503911685817yiv0604855335m_-3671314450992527492m_-6928659416193145832yui_3=
_16_0_ym19_1_1536326086781_13044">I might get the chance to pull it all out=
 of the car and take some measurements on Sunday. Once I do, I=E2=80=99ll s=
hare my original setup notes and what I measure upon disassembly.</div><div=
 id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_-=
3544020503911685817yiv0604855335m_-3671314450992527492m_-692865941619314583=
2yui_3_16_0_ym19_1_1536326086781_13045"><br clear=3D"none"></div><div id=3D=
"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_-354402=
0503911685817yiv0604855335m_-3671314450992527492m_-6928659416193145832yui_3=
_16_0_ym19_1_1536326086781_13046">On a related note. I ordered a new gear s=
et from Rimmer on Monday and it arrived in Austin today, standard shipping.=
 Amazing. Way faster than some of our domestic suppliers.=C2=A0</div><div><=
br clear=3D"none"></div><div>This new gear set was supplied by Bastuck. Hop=
efully lasts a little longer. =C2=A0</div><div id=3D"m_-9137488195397417476=
m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yui_3_16_0=
_ym19_1_1536526013624_12515"><br clear=3D"none"><div id=3D"m_-9137488195397=
417476m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yiv0=
604855335m_-3671314450992527492m_-6928659416193145832yiv8608138712AppleMail=
Signature">Sent from my iPhone</div><div class=3D"m_-9137488195397417476m_-=
4901775303274922524m_1359472020569513798m_-3544020503911685817yiv0604855335=
m_-3671314450992527492m_-6928659416193145832yiv8608138712yqt3328800303" id=
=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_-354=
4020503911685817yiv0604855335m_-3671314450992527492m_-6928659416193145832yi=
v8608138712yqt60981"><div><br clear=3D"none">On Sep 6, 2018, at 7:41 AM, Ri=
ck Parent via Fot &lt;<a rel=3D"nofollow" shape=3D"rect" href=3D"mailto:fot=
@autox.team.net" target=3D"_blank">[email-masked]</a>&gt; wrote:<br cle=
ar=3D"none"><br clear=3D"none"></div><blockquote type=3D"cite" id=3D"m_-913=
7488195397417476m_-4901775303274922524m_1359472020569513798m_-3544020503911=
685817yui_3_16_0_ym19_1_1536526013624_12523"><div id=3D"m_-9137488195397417=
476m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yui_3_1=
6_0_ym19_1_1536526013624_12522"><div style=3D"color:#000;background-color:#=
fff;font-family:Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;fon=
t-size:13px" id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020=
569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12521"><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_-3=
544020503911685817yiv0604855335m_-3671314450992527492m_-6928659416193145832=
yiv8608138712yui_3_16_0_ym19_1_1536237470748_10096"><span id=3D"m_-91374881=
95397417476m_-4901775303274922524m_1359472020569513798m_-354402050391168581=
7yiv0604855335m_-3671314450992527492m_-6928659416193145832yiv8608138712yui_=
3_16_0_ym19_1_1536237470748_10136">Looks like the pinion was way to deep.</=
span></div> <div class=3D"m_-9137488195397417476m_-4901775303274922524m_135=
9472020569513798m_-3544020503911685817yiv0604855335m_-3671314450992527492m_=
-6928659416193145832yiv8608138712qtdSeparateBR"><br clear=3D"none"><br clea=
r=3D"none"></div><div class=3D"m_-9137488195397417476m_-4901775303274922524=
m_1359472020569513798m_-3544020503911685817yiv0604855335m_-3671314450992527=
492m_-6928659416193145832yiv8608138712yahoo_quoted" style=3D"display:block"=
 id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_-=
3544020503911685817yui_3_16_0_ym19_1_1536526013624_12520"> <div style=3D"fo=
nt-family:Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size=
:13px" id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513=
798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12519"> <div style=
=3D"font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,=
sans-serif;font-size:16px" id=3D"m_-9137488195397417476m_-49017753032749225=
24m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_153652601362=
4_12518"> <div dir=3D"ltr"><font size=3D"2" face=3D"Arial"> On Thursday, Se=
ptember 6, 2018 6:38 AM, Bill via Fot &lt;<a rel=3D"nofollow" shape=3D"rect=
" href=3D"mailto:[email-masked]" target=3D"_blank">[email-masked]</=
a>&gt; wrote:<br clear=3D"none"></font></div>  <br clear=3D"none"><br clear=
=3D"none"> <div class=3D"m_-9137488195397417476m_-4901775303274922524m_1359=
472020569513798m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-=
6928659416193145832yiv8608138712y_msg_container" id=3D"m_-91374881953974174=
76m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yui_3_16=
_0_ym19_1_1536526013624_12517"><div dir=3D"ltr" id=3D"m_-913748819539741747=
6m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yui_3_16_=
0_ym19_1_1536526013624_12516">I doubt if a break-in procedure could have pr=
evented failure, but as Marcel says, checking the temperature of the diff c=
ould have stopped the damage. The likely culprits are incorrect engagement =
or bad parts, but anything that heats the gears enough to cook the oil off =
the parts will kill the gears. I had a close call with one of the gear sets=
 I use. Apparently I screwed up somewhere in checking fit=E2=80=94when I pu=
lled the rear end to assess the problem there was no backlash. I have a hug=
e finned differential cover so checking temperature doesn=E2=80=99t help, b=
ut I could feel the car slowing quickly between shifts. Fortunately I wasn=
=E2=80=99t doing my usual clutchless shifts and noticed the sudden decelera=
tion every time I disengaged the clutch. The gear teeth were slightly blued=
 and the oil smelled like a cesspool, but the gears were still usable once =
I did the setup properly. <br clear=3D"none"><br clear=3D"none">Bill<br cle=
ar=3D"none"> <br clear=3D"none">&gt; On Sep 5, 2018, at 1:48 AM, van.mulder=
s.marcel--- via Fot &lt;<a rel=3D"nofollow" shape=3D"rect" href=3D"mailto:f=
[email-masked]" target=3D"_blank">[email-masked]</a>&gt; wrote:<br c=
lear=3D"none">&gt; <br clear=3D"none">&gt; <br clear=3D"none">&gt; <br clea=
r=3D"none">&gt; ----- Doorgestuurd bericht -----<br clear=3D"none">&gt; Van=
: &quot;van mulders marcel&quot; &lt;<a rel=3D"nofollow" shape=3D"rect" hre=
f=3D"mailto:[email-masked]" target=3D"_blank">van.mulders.ma=
[email-masked]</a>&gt;<br clear=3D"none">&gt; Aan: &quot;Greg Blake&quot; =
&lt;<a rel=3D"nofollow" shape=3D"rect" href=3D"mailto:[email-masked]=
m" target=3D"_blank">[email-masked]</a>&gt;<br clear=3D"none">&gt; =
Verzonden: Woensdag 5 september 2018 10:47:59<br clear=3D"none">&gt; Onderw=
erp: Re: [Fot] Crown and pinion gear break in<br clear=3D"none">&gt; <br cl=
ear=3D"none">&gt; I think it is good measure to check the heat of the diffe=
rential casing after a few laps when the pinion and crownwheel are freshly =
mounted : when the casing gets very hot, something is wrong : or the parts =
are bad or they are mounted not correctly<br clear=3D"none">&gt; There are =
at least 2 manufactures of the TR parts, I forgot about the names. As far a=
s I know, used original parts are running cooler than some of the aftermark=
ed parts. How was the noise of the diff? Did you notice the smell during th=
e first laps?<br clear=3D"none">&gt; Marcel<br clear=3D"none">&gt; <br clea=
r=3D"none">&gt; ----- Oorspronkelijk bericht -----<br clear=3D"none">&gt; V=
an: &quot;fot&quot; &lt;<a rel=3D"nofollow" shape=3D"rect" href=3D"mailto:f=
[email-masked]" target=3D"_blank">[email-masked]</a>&gt;<br clear=3D=
"none">&gt; Aan: &quot;fot&quot; &lt;<a rel=3D"nofollow" shape=3D"rect" hre=
f=3D"mailto:[email-masked]" target=3D"_blank">[email-masked]</a>&gt=
;<br clear=3D"none">&gt; Verzonden: Woensdag 5 september 2018 03:25:39<br c=
lear=3D"none">&gt; Onderwerp: [Fot] Crown and pinion gear break in<br clear=
=3D"none">&gt; <br clear=3D"none">&gt; I would love to here the FOT experie=
nce in breaking in new differential gears. What has worked well for you in =
the past?=C2=A0 <br clear=3D"none">&gt; <br clear=3D"none">&gt; Last weeken=
d, I was running the TR3 at Hallett with a brand new 4.55 gear set and it f=
ailed. I probably got 30 laps total in 4 sessions on track. I did not think=
 to follow any set break in procedure with the gears and I am wondering if =
that is why they failed. <br clear=3D"none">&gt; <br clear=3D"none">&gt; I =
am interested in the lists experience with brand new or new old stock ring =
and pinion break in. <br clear=3D"none">&gt; <br clear=3D"none">&gt; Here i=
s a pic of the failed set. <br clear=3D"none">&gt; <br clear=3D"none">&gt; =
<br clear=3D"none">&gt; <br clear=3D"none">&gt; [image/jpeg:image1.jpeg]<br=
 clear=3D"none">&gt; <br clear=3D"none">&gt; <br clear=3D"none">&gt; <br cl=
ear=3D"none">&gt; Sent from my iPhone<br clear=3D"none">&gt; ______________=
_________________________________<br clear=3D"none">&gt; <a rel=3D"nofollow=
" shape=3D"rect" href=3D"mailto:[email-masked]" target=3D"_blank">fot@a=
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nk">http://www.fot-racing.com</a><br clear=3D"none">&gt; <br clear=3D"none"=
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a><br clear=3D"none">&gt; _______________________________________________<b=
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lman/options/fot/[email-masked]</a><div class=3D"m_-9137488195397417476=
m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yiv0604855=
335m_-3671314450992527492m_-6928659416193145832yiv8608138712yqt5699898352" =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_-3=
544020503911685817yiv0604855335m_-3671314450992527492m_-6928659416193145832=
yiv8608138712yqtfd98926"><br clear=3D"none">&gt; <br clear=3D"none">&gt; <b=
r clear=3D"none"><br clear=3D"none">_______________________________________=
________<br clear=3D"none"><a rel=3D"nofollow" shape=3D"rect" href=3D"mailt=
o:[email-masked]" target=3D"_blank">[email-masked]</a><br clear=3D"=
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v></div><br clear=3D"none"><br clear=3D"none"></div>  </div> </div>  </div>=
</div></div></blockquote></div><blockquote type=3D"cite" id=3D"m_-913748819=
5397417476m_-4901775303274922524m_1359472020569513798m_-3544020503911685817=
yui_3_16_0_ym19_1_1536526013624_12535"><div id=3D"m_-9137488195397417476m_-=
4901775303274922524m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym=
19_1_1536526013624_12534"><span>___________________________________________=
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low" shape=3D"rect" href=3D"http://www.fot-racing.com/" target=3D"_blank">h=
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s=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_-35=
44020503911685817yiv0604855335m_-3671314450992527492m_-6928659416193145832y=
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0569513798m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-69286=
59416193145832yqt87676">_______________________________________________<br =
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team.net" target=3D"_blank">[email-masked]</a><br clear=3D"none"><br cl=
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-4901775303274922524m_1359472020569513798m_-3544020503911685817yqt810678734=
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___<br clear=3D"none"><a shape=3D"rect" href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a><br clear=3D"none"><br clear=3D"non=
e"><a shape=3D"rect" href=3D"http://www.fot-racing.com/" target=3D"_blank">=
http://www.fot-racing.com</a><br clear=3D"none"><br clear=3D"none">Donate: =
<a shape=3D"rect" href=3D"http://www.team.net/donate.html" id=3D"m_-9137488=
195397417476m_-4901775303274922524m_1359472020569513798m_-35440205039116858=
17yui_3_16_0_ym19_1_1536526013624_12545" target=3D"_blank">http://www.team.=
net/donate.html</a><br clear=3D"none">Archive: <a shape=3D"rect" href=3D"ht=
tp://www.team.net/pipermail/fot" id=3D"m_-9137488195397417476m_-49017753032=
74922524m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_153652=
6013624_12548" target=3D"_blank">http://www.team.net/pipermail/fot</a><br c=
lear=3D"none">Unsubscribe/Manage: <a shape=3D"rect" href=3D"http://autox.te=
am.net/mailman/options/fot/[email-masked]" target=3D"_blank">http:/=
/autox.team.net/mailman/options/fot/[email-masked]</a><br clear=3D"=
none"><br clear=3D"none"><br clear=3D"none"></div><br><br></div> </div> </d=
iv>  </div></div></div></blockquote></div>
<br>_______________________________________________<br>
<a href=3D"mailto:[email-masked]" target=3D"_blank">[email-masked]<=
/a><br>
<br>
<a href=3D"http://www.fot-racing.com" rel=3D"noreferrer" target=3D"_blank">=
http://www.fot-racing.com</a><br>
<br>
et=3D"_blank">http://www.team.net/donate.html</a><br>
Archive: <a href=3D"http://www.team.net/pipermail/fot%0DUnsubscribe/Manage"=
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t/[email-masked]" rel=3D"noreferrer" target=3D"_blank">http://autox.te=
am.net/mailman/options/fot/[email-masked]</a><br>
<br>
<br>
<br></blockquote></div><br></div>
</blockquote></div>

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---

From: barry rosenberg via Fot <[email-masked]>
Date: Mon, 10 Sep 2018 19:55:31 +0000 (UTC)

--===============6413439129538147829==
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Besides having a bunch of Triumph, MGB and Healey special tools, I have the=
 most beautiful set of TR3 thru 4A Headers that I will never use. They are =
much too pretty for a race car but could look great on a show car. The work=
manship on these is excellent, the best I have ever seen. They are polished=
 stainless steel, two parts. Outer two cylinders and inner two cylinders. T=
hey will look great as a wall decoration if they don't sell. $500 makes the=
m yours. Tools, books and toys I try to never sell, parts that I don't need=
, go to go. I also have a great right rear fender for a TR250 in original p=
aint for $400. Needs very very little work to be put on a car, No rust or d=
ents.
Barry

      From: Chris Marx via Fot <[email-masked]>
 To: "fot@autox. team. net" <[email-masked]>=20
 Sent: Monday, September 10, 2018 3:20 PM
 Subject: Re: [Fot] Crown and pinion gear break in
  =20
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016695 li.yiv5299016695msonormal0, #yiv5299016695 div.yiv5299016695msonorma=
l0 {margin-right:0cm;margin-left:0cm;font-size:11.0pt;font-family:"Calibri"=
, sans-serif;}#yiv5299016695 span.yiv5299016695E-MailFormatvorlage19 {font-=
family:"Calibri", sans-serif;color:windowtext;}#yiv5299016695 .yiv529901669=
5MsoChpDefault {font-size:10.0pt;} _filtered #yiv5299016695 {margin:70.85pt=
 70.85pt 2.0cm 70.85pt;}#yiv5299016695 div.yiv5299016695WordSection1 {}#yiv=
5299016695 _filtered #yiv5299016695 {} _filtered #yiv5299016695 {} _filtere=
d #yiv5299016695 {} _filtered #yiv5299016695 {} _filtered #yiv5299016695 {}=
 _filtered #yiv5299016695 {} _filtered #yiv5299016695 {} _filtered #yiv5299=
016695 {} _filtered #yiv5299016695 {} _filtered #yiv5299016695 {}#yiv529901=
6695 ol {margin-bottom:0cm;}#yiv5299016695 ul {margin-bottom:0cm;}-->Maybe =
something to know about Diffs: =C2=A0On Triumphs, these days are two differ=
ent types of gear available: =C2=A0  =20
   - Gleason gears
   - Oerlikon gears
 =C2=A0The workshop manual is referring to Gleason gear type. If you got an=
 Oerlikon type of gear (the more modern one), and you try to set it up with=
 the Workshop manual, then the gear will fail.This is because, that the con=
tact pattern, which is shown in the manual, is mirrored at an Oerlikon type=
. =C2=A0So most Oerlikons die of wrong contact pattern, with the pinion too=
 deep in the Crown wheel, almost touching the carrier. =C2=A0CheersChris___=
____________________________________________
[email-masked]

  =20
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<html><head></head><body><div style=3D"color:#000; background-color:#fff; f=
ont-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font=
-size:13px"><div id=3D"yui_3_16_0_ym19_1_1536608835100_3211" dir=3D"ltr">Be=
sides having a bunch of Triumph, MGB and Healey special tools, I have the m=
ost beautiful set of TR3 thru 4A Headers that I will never use. They are mu=
ch too pretty for a race car but could look great on a show car. The workma=
nship on these is excellent, the best I have ever seen. They are polished s=
tainless steel, two parts. Outer two cylinders and inner two cylinders. The=
y will look great as a wall decoration if they don't sell. $500 makes them =
yours. Tools, books and toys I try to never sell, parts that I don't need, =
go to go. I also have a great right rear fender for a TR250 in original pai=
nt for $400. Needs very very little work to be put on a car, No rust or den=
ts.</div><div id=3D"yui_3_16_0_ym19_1_1536608835100_3211" dir=3D"ltr"><br><=
/div><div id=3D"yui_3_16_0_ym19_1_1536608835100_3211" dir=3D"ltr">Barry</di=
v><div id=3D"yui_3_16_0_ym19_1_1536608835100_3211" dir=3D"ltr"><br></div><d=
iv id=3D"yui_3_16_0_ym19_1_1536608835100_3211" dir=3D"ltr"><br></div><div i=
d=3D"yui_3_16_0_ym19_1_1536608835100_3211" dir=3D"ltr"><br></div><div id=3D=
"yui_3_16_0_ym19_1_1536608835100_3211" dir=3D"ltr"><br></div><div id=3D"yui=
_3_16_0_ym19_1_1536608835100_3211" dir=3D"ltr"><br></div><div id=3D"yui_3_1=
6_0_ym19_1_1536608835100_3211" dir=3D"ltr"><br></div><div id=3D"yui_3_16_0_=
ym19_1_1536608835100_3211" dir=3D"ltr"><img src=3D"https://scontent-atl3-1.=
xx.fbcdn.net/v/t1.0-9/39954967_1803134029733629_2980337657063669760_n.jpg?_=
nc_cat=3D0&amp;oh=3D20e90af00ca2f64b05935a55c4a4f72c&amp;oe=3D5C30F8AD" id=
=3D"yui_3_16_0_ym19_1_1536608835100_3274" class=3D"" data-id=3D"6a3252e1-2e=
18-75e6-fa7a-f7cb4d8a025a" style=3D"max-width: 400px; max-height: 300px; wi=
dth: 50%;"><span></span></div><div id=3D"yui_3_16_0_ym19_1_1536608835100_32=
11" dir=3D"ltr"><br></div><div id=3D"yui_3_16_0_ym19_1_1536608835100_3211" =
dir=3D"ltr"><img src=3D"https://scontent-atl3-1.xx.fbcdn.net/v/t1.0-9/38844=
024_1779698035410562_3364737668142333952_n.jpg?_nc_cat=3D0&amp;oh=3D8183ec2=
92fad51e8d13d8554d90d08e6&amp;oe=3D5C39336F" id=3D"yui_3_16_0_ym19_1_153660=
8835100_3628" class=3D"" data-id=3D"b42bdf49-23aa-4bf7-99c8-f5e9d019058c" s=
tyle=3D"max-width: 400px; max-height: 300px; width: 50%;"><br></div><div cl=
ass=3D"qtdSeparateBR" id=3D"yui_3_16_0_ym19_1_1536608835100_3265"><br><br><=
/div><div class=3D"yahoo_quoted" id=3D"yui_3_16_0_ym19_1_1536608835100_3271=
" style=3D"display: block;">  <div style=3D"font-family: Helvetica Neue, He=
lvetica, Arial, Lucida Grande, sans-serif; font-size: 13px;" id=3D"yui_3_16=
_0_ym19_1_1536608835100_3270"> <div style=3D"font-family: HelveticaNeue, He=
lvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;=
" id=3D"yui_3_16_0_ym19_1_1536608835100_3269"> <div dir=3D"ltr" id=3D"yui_3=
_16_0_ym19_1_1536608835100_3268"> <font size=3D"2" face=3D"Arial" id=3D"yui=
_3_16_0_ym19_1_1536608835100_3267"> <hr size=3D"1"> <b id=3D"yui_3_16_0_ym1=
9_1_1536608835100_3624"><span style=3D"font-weight:bold;" id=3D"yui_3_16_0_=
ym19_1_1536608835100_3623">From:</span></b> Chris Marx via Fot &lt;fot@auto=
x.team.net&gt;<br> <b id=3D"yui_3_16_0_ym19_1_1536608835100_3622"><span sty=
le=3D"font-weight: bold;" id=3D"yui_3_16_0_ym19_1_1536608835100_3621">To:</=
span></b> "fot@autox. team. net" &lt;[email-masked]&gt; <br> <b id=3D"y=
ui_3_16_0_ym19_1_1536608835100_3620"><span style=3D"font-weight: bold;" id=
=3D"yui_3_16_0_ym19_1_1536608835100_3619">Sent:</span></b> Monday, Septembe=
r 10, 2018 3:20 PM<br> <b id=3D"yui_3_16_0_ym19_1_1536608835100_3618"><span=
 style=3D"font-weight: bold;" id=3D"yui_3_16_0_ym19_1_1536608835100_3617">S=
ubject:</span></b> Re: [Fot] Crown and pinion gear break in<br> </font> </d=
iv> <div class=3D"y_msg_container" id=3D"yui_3_16_0_ym19_1_1536608835100_36=
16"><br><div id=3D"yiv5299016695"><style><!--
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4;}
#yiv5299016695 =20
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#yiv5299016695 =20
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 _filtered #yiv5299016695 {}
 _filtered #yiv5299016695 {}
 _filtered #yiv5299016695 {}
 _filtered #yiv5299016695 {}
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#yiv5299016695 ol
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--></style><div id=3D"yui_3_16_0_ym19_1_1536608835100_3615"><div class=3D"y=
iv5299016695WordSection1" id=3D"yui_3_16_0_ym19_1_1536608835100_3614"><div =
class=3D"yiv5299016695MsoNormal" id=3D"yui_3_16_0_ym19_1_1536608835100_3613=
"><span lang=3D"EN-US" id=3D"yui_3_16_0_ym19_1_1536608835100_3612">Maybe so=
mething to know about Diffs:</span></div><div class=3D"yiv5299016695MsoNorm=
al"><span lang=3D"EN-US"> &nbsp;</span></div><div class=3D"yiv5299016695Mso=
Normal"><span lang=3D"EN-US">On Triumphs, these days are two different type=
s of gear available:</span></div><div class=3D"yiv5299016695MsoNormal"><spa=
n lang=3D"EN-US"> &nbsp;</span></div><ol style=3D"margin-top:0cm;" start=3D=
"1" type=3D"1"><li class=3D"yiv5299016695MsoListParagraph" style=3D"margin-=
left:0cm;"><span lang=3D"EN-US">Gleason gears</span></li><li class=3D"yiv52=
99016695MsoListParagraph" style=3D"margin-left:0cm;"><span lang=3D"EN-US">O=
erlikon gears</span></li></ol><div class=3D"yiv5299016695MsoNormal"><span l=
ang=3D"EN-US"> &nbsp;</span></div><div class=3D"yiv5299016695MsoNormal"><sp=
an lang=3D"EN-US">The workshop manual is referring to Gleason gear type. If=
 you got an Oerlikon type of gear (the more modern one), and you try to set=
 it up with the Workshop manual, then the gear will fail.</span></div><div =
class=3D"yiv5299016695MsoNormal"><span lang=3D"EN-US">This is because, that=
 the contact pattern, which is shown in the manual, is mirrored at an Oerli=
kon type.</span></div><div class=3D"yiv5299016695MsoNormal"><span lang=3D"E=
N-US"> &nbsp;</span></div><div class=3D"yiv5299016695MsoNormal"><span lang=
=3D"EN-US">So most Oerlikons die of wrong contact pattern, with the pinion =
too deep in the Crown wheel, almost touching the carrier.</span></div><div =
class=3D"yiv5299016695MsoNormal"><span lang=3D"EN-US"> &nbsp;</span></div><=
div class=3D"yiv5299016695MsoNormal"><span lang=3D"EN-US">Cheers</span></di=
v><div class=3D"yiv5299016695MsoNormal"><span lang=3D"EN-US">Chris</span></=
div></div></div></div>_______________________________________________<br><a=
 ymailto=3D"mailto:[email-masked]" href=3D"mailto:[email-masked]">f=
[email-masked]</a><br><br><a href=3D"http://www.fot-racing.com/" target=
=3D"_blank">http://www.fot-racing.com</a><br><br>Donate: <a href=3D"http://=
www.team.net/donate.html" target=3D"_blank">http://www.team.net/donate.html=
</a><br>Archive: <a href=3D"http://www.team.net/pipermail/fot" target=3D"_b=
lank">http://www.team.net/pipermail/fot</a><br>Unsubscribe/Manage: <a href=
=3D"http://autox.team.net/mailman/options/fot/[email-masked]" targe=
t=3D"_blank">http://autox.team.net/mailman/options/fot/[email-masked]=
et</a><br><br><br><br><br></div> </div> </div>  </div></div></body></html>
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From: John Styduhar via Fot <[email-masked]>
Date: Mon, 10 Sep 2018 16:28:07 -0400

--===============5244835174656602577==

--000000000000b21ad805758a32c1

The light bulb came on for me and I know understand the setup.  Thanks
everyone.

On Mon, Sep 10, 2018 at 3:16 PM Chris Marx via Fot <[email-masked]>
wrote:

> The workshop manual is referring to Gleason gear type. If you got an
> Oerlikon type of gear (the more modern one), and you try to set it up with
> the Workshop manual, then the gear will fail.
>
> This is because, that the contact pattern, which is shown in the manual,
> So most Oerlikons die of wrong contact pattern, with the pinion too deep

--000000000000b21ad805758a32c1
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-size:small">The=
 light bulb came on for me and I know understand the setup.=C2=A0 Thanks ev=
eryone.</div><div class=3D"gmail_default" style=3D"font-size:small"><br></d=
iv></div><br><div class=3D"gmail_quote"><div dir=3D"ltr">On Mon, Sep 10, 20=
18 at 3:16 PM Chris Marx via Fot &lt;<a href=3D"mailto:[email-masked]">=
[email-masked]</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote=
" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><=
div lang=3D"DE" link=3D"blue" vlink=3D"purple"><div class=3D"m_-58975951411=
96710185WordSection1"><p class=3D"MsoNormal"><span lang=3D"EN-US">Maybe som=
ething to know about Diffs:<u></u><u></u></span></p><p class=3D"MsoNormal">=
<span lang=3D"EN-US"><u></u>=C2=A0<u></u></span></p><p class=3D"MsoNormal">=
<span lang=3D"EN-US">On Triumphs, these days are two different types of gea=
r available:<u></u><u></u></span></p><p class=3D"MsoNormal"><span lang=3D"E=
N-US"><u></u>=C2=A0<u></u></span></p><ol style=3D"margin-top:0cm" start=3D"=
1" type=3D"1"><li class=3D"m_-5897595141196710185MsoListParagraph" style=3D=
"margin-left:0cm"><span lang=3D"EN-US">Gleason gears<u></u><u></u></span></=
li><li class=3D"m_-5897595141196710185MsoListParagraph" style=3D"margin-lef=
t:0cm"><span lang=3D"EN-US">Oerlikon gears<u></u><u></u></span></li></ol><p=
 class=3D"MsoNormal"><span lang=3D"EN-US"><u></u>=C2=A0<u></u></span></p><p=
 class=3D"MsoNormal"><span lang=3D"EN-US">The workshop manual is referring =
to Gleason gear type. If you got an Oerlikon type of gear (the more modern =
one), and you try to set it up with the Workshop manual, then the gear will=
 fail.<u></u><u></u></span></p><p class=3D"MsoNormal"><span lang=3D"EN-US">=
This is because, that the contact pattern, which is shown in the manual, is=
 mirrored at an Oerlikon type.<u></u><u></u></span></p><p class=3D"MsoNorma=
l"><span lang=3D"EN-US"><u></u>=C2=A0<u></u></span></p><p class=3D"MsoNorma=
l"><span lang=3D"EN-US">So most Oerlikons die of wrong contact pattern, wit=
h the pinion too deep in the Crown wheel, almost touching the carrier.<u></=
u><u></u></span></p><p class=3D"MsoNormal"><span lang=3D"EN-US"><u></u>=C2=
=A0<u></u></span></p><p class=3D"MsoNormal"><span lang=3D"EN-US">Cheers<u><=
/u><u></u></span></p><p class=3D"MsoNormal"><span lang=3D"EN-US">Chris<u></=
u><u></u></span></p></div></div>___________________________________________=
____<br>
<a href=3D"mailto:[email-masked]" target=3D"_blank">[email-masked]<=
/a><br>
<br>
<a href=3D"http://www.fot-racing.com" rel=3D"noreferrer" target=3D"_blank">=
http://www.fot-racing.com</a><br>
<br>
et=3D"_blank">http://www.team.net/donate.html</a><br>
Archive: <a href=3D"http://www.team.net/pipermail/fot" rel=3D"noreferrer" t=
arget=3D"_blank">http://www.team.net/pipermail/fot</a><br>
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et/mailman/options/fot/[email-masked]</a><br>
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</blockquote></div>

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From: Chris Marx via Fot <[email-masked]>
Date: Mon, 10 Sep 2018 22:47:31 +0200

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Basically the installing is the same as on Gleason, same leash values =
and such stuff.

What is different is the correction of the contact patterns.

Just do the opposite of the workshop manual in this case.

=20

Cheers

Chris

=20

Von: Greg Blake <[email-masked]>=20
Gesendet: Montag, 10. September 2018 22:44
An: [email-masked]
Betreff: Re: AW: [Fot] Crown and pinion gear break in

=20

I noticed that they looked a little different. The others I=E2=80=99ve =
used have all been new old stock.=20

=20

Do you have the setup instructions for the Oerlikon gears?

Sent from my iPhone

On Sep 10, 2018, at 3:16 PM, [email-masked] =

Yes, they are.

=20

Gesendet: Montag, 10. September 2018 22:10
Betreff: Re: [Fot] Crown and pinion gear break in

=20

Chris,

=20

Based purely on speculation, I assume Bastuck gears are Oerlikon. Do you =
know?  If yes, do you have the setup instructions for these gear sets?

=20

Thanks

=20

Greg

Sent from my iPhone

On Sep 10, 2018, at 1:36 AM, Chris Marx via Fot <[email-masked] =

=20

=20

1.	Gleason gears
2.	Oerlikon gears

=20

=20

=20

Cheers

Chris

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</o:shapelayout></xml><![endif]--></head><body lang=3DDE link=3Dblue =
vlink=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><span =
lang=3DEN-US style=3D'mso-fareast-language:EN-US'>Basically the =
installing is the same as on Gleason, same leash values and such =
stuff.<o:p></o:p></span></p><p class=3DMsoNormal><span lang=3DEN-US =
style=3D'mso-fareast-language:EN-US'>What is different is the correction =
of the contact patterns.<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US style=3D'mso-fareast-language:EN-US'>Just do the opposite =
of the workshop manual in this case.<o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US =
style=3D'mso-fareast-language:EN-US'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US =
style=3D'mso-fareast-language:EN-US'>Cheers<o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US =
style=3D'mso-fareast-language:EN-US'>Chris<o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-US =
style=3D'mso-fareast-language:EN-US'><o:p>&nbsp;</o:p></span></p><div><di=
v style=3D'border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm =
0cm 0cm'><p class=3DMsoNormal><b>Von:</b> Greg Blake =
&lt;[email-masked]&gt; <br><b>Gesendet:</b> Montag, 10. =
September 2018 22:44<br><b>An:</b> =
[email-masked]<br><b>Betreff:</b> Re: AW: [Fot] Crown and =
pinion gear break in<o:p></o:p></p></div></div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal>I noticed =
that they looked a little different. The others I=E2=80=99ve used have =
all been new old stock.&nbsp;<o:p></o:p></p><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'>Do you have the setup instructions for =
the&nbsp;Oerlikon gears?<o:p></o:p></p><div id=3DAppleMailSignature><p =
class=3DMsoNormal>Sent from my iPhone<o:p></o:p></p></div><div><p =
class=3DMsoNormal style=3D'margin-bottom:12.0pt'><br>On Sep 10, 2018, at =
3:16 PM, <a =
href=3D"mailto:[email-masked]">[email-masked]</a> =
wrote:<o:p></o:p></p></div><blockquote =
style=3D'margin-top:5.0pt;margin-bottom:5.0pt'><div><p =
class=3DMsoNormal><span style=3D'mso-fareast-language:EN-US'>Yes, they =
are.</span><o:p></o:p></p><p class=3DMsoNormal><span =
style=3D'mso-fareast-language:EN-US'>&nbsp;</span><o:p></o:p></p><div><di=
v style=3D'border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm =
0cm 0cm'><p class=3DMsoNormal><b>Von:</b> Greg Blake &lt;<a =
href=3D"mailto:[email-masked]">[email-masked]</a>&gt; =
<br><b>Gesendet:</b> Montag, 10. September 2018 22:10<br><b>An:</b> <a =
href=3D"mailto:[email-masked]">[email-masked]</a><br>=
<b>Betreff:</b> Re: [Fot] Crown and pinion gear break =
in<o:p></o:p></p></div></div><p =
class=3DMsoNormal>&nbsp;<o:p></o:p></p><p =
class=3DMsoNormal>Chris,<o:p></o:p></p><div><p =
class=3DMsoNormal>&nbsp;<o:p></o:p></p></div><div><p =
class=3DMsoNormal>Based purely on speculation, I assume Bastuck gears =
are&nbsp;Oerlikon. Do you know? &nbsp;If yes, do you have the setup =
instructions for these gear sets?<o:p></o:p></p></div><div><p =
class=3DMsoNormal>&nbsp;<o:p></o:p></p></div><div><p =
class=3DMsoNormal>Thanks<o:p></o:p></p></div><div><p =
class=3DMsoNormal>&nbsp;<o:p></o:p></p></div><div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'>Greg<o:p></o:p></p><div =
id=3DAppleMailSignature><p class=3DMsoNormal>Sent from my =
iPhone<o:p></o:p></p></div><div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'><br>On Sep 10, 2018, at 1:36 AM, Chris =
Marx via Fot &lt;<a =
href=3D"mailto:[email-masked]">[email-masked]</a>&gt; =
wrote:<o:p></o:p></p></div><blockquote =
style=3D'margin-top:5.0pt;margin-bottom:5.0pt'><div><p =
class=3DMsoNormal><span lang=3DEN-US>Maybe something to know about =
Diffs:</span><o:p></o:p></p><p class=3DMsoNormal><span =
lang=3DEN-US>&nbsp;</span><o:p></o:p></p><p class=3DMsoNormal><span =
lang=3DEN-US>On Triumphs, these days are two different types of gear =
available:</span><o:p></o:p></p><p class=3DMsoNormal><span =
lang=3DEN-US>&nbsp;</span><o:p></o:p></p><ol style=3D'margin-top:0cm' =
start=3D1 type=3D1><li class=3DMsoListParagraph =
style=3D'margin-left:0cm;mso-list:l0 level1 lfo3'><span =
lang=3DEN-US>Gleason gears</span><o:p></o:p></li><li =
class=3DMsoListParagraph style=3D'margin-left:0cm;mso-list:l0 level1 =
lfo3'><span lang=3DEN-US>Oerlikon gears</span><o:p></o:p></li></ol><p =
class=3DMsoNormal><span lang=3DEN-US>&nbsp;</span><o:p></o:p></p><p =
class=3DMsoNormal><span lang=3DEN-US>The workshop manual is referring to =
Gleason gear type. If you got an Oerlikon type of gear (the more modern =
one), and you try to set it up with the Workshop manual, then the gear =
will fail.</span><o:p></o:p></p><p class=3DMsoNormal><span =
lang=3DEN-US>This is because, that the contact pattern, which is shown =
in the manual, is mirrored at an Oerlikon type.</span><o:p></o:p></p><p =
class=3DMsoNormal><span lang=3DEN-US>&nbsp;</span><o:p></o:p></p><p =
class=3DMsoNormal><span lang=3DEN-US>So most Oerlikons die of wrong =
contact pattern, with the pinion too deep in the Crown wheel, almost =
touching the carrier.</span><o:p></o:p></p><p class=3DMsoNormal><span =
lang=3DEN-US>&nbsp;</span><o:p></o:p></p><p class=3DMsoNormal><span =
lang=3DEN-US>Cheers</span><o:p></o:p></p><p class=3DMsoNormal><span =
lang=3DEN-US>Chris</span><o:p></o:p></p></div></blockquote><blockquote =
style=3D'margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'>__________________________________________=
_____<br><a =
href=3D"mailto:[email-masked]">[email-masked]</a><br><br><a =
href=3D"http://www.fot-racing.com">http://www.fot-racing.com</a><br><br>D=
onate: <a =
href=3D"http://www.team.net/donate.html">http://www.team.net/donate.html<=
/a><br>Archive: <a =
href=3D"http://www.team.net/pipermail/fot">http://www.team.net/pipermail/=
fot</a><br>Unsubscribe/Manage: <a =
href=3D"http://autox.team.net/mailman/options/fot/[email-masked]"=
>http://autox.team.net/mailman/options/fot/[email-masked]</a><br>=
<br><br><o:p></o:p></p></div></blockquote></div></div></blockquote></div>=
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From: Bob Kramer via Fot <[email-masked]>
Date: Mon, 10 Sep 2018 16:41:18 -0500

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I can't answer that but one could measure the dimension of the pinion head
and subtract it from the total shown to get the depth you would want.

Bob Kramer

On Mon, Sep 10, 2018 at 2:10 PM, John Styduhar <[email-masked]> wrote:

> I looked at my TR3, TR4/4A, and TR250/6 shop manuals, and all of them sho=
w
> the same factory tools to set the pinion depth measuring to the TOP of th=
e
> pinion head.  So why do the TR3 and 4 manuals have a rear axle illustrati=
on
>> newsletter showing how to do this without the factory tools, using polis=
hed
>> bar stock to set up to measure pinion depth. I've used his techniques fo=
r
>> On Sun, Sep 9, 2018 at 7:06 PM, John Styduhar via Fot <[email-masked]=
t
>>> from and to?  The TR3 manual only has the dimension from the front face=
 of
>>>> before taking a diff apart. Then you set the new pinion at the same de=
pth
>>>> The "92" is the "matched set" number and should correspond with the se=
t
>>>> On Sat, Sep 8, 2018 at 12:33 AM Greg Blake via Fot <[email-masked]=
>
>>>> wrote:
>>>>
>>>> Ok guys and gals.
>>>>
>>>> VTR National near Austin next year and I've been volunteered to head u=
p the
>>>> autocross. I think I'll build a diff with it and put it in the Beandit=
o,
>>>> England. They once belonged to Jim Ealy, who owned a black, 1966 TR4A =
race
>>>> car. I bought his junk yard to get his race car and the gears were new=
 in
>>>> the box. I knew him since 1973 and he had the gears then. I had them u=
ntil
>>>> recently. I would not think that back then there were cheap reproducti=
on
>>>> gears available. He had 4:11, the 4:55 and 4:88 (great fun but useless=
).
>>>> The 4:11 went in the car when I sold it, the 4:88 were put in a locked=
 diff
>>>> and played with on the street; the 4:55 sat on a shelf for all those y=
ears.
>>>> So far I have only put the car in the air and pulled the cover. There
>>>> is ample evidence of excessive heat so something went wrong with my se=
tup.
>>>> measurements on Sunday. Once I do, I=E2=80=99ll share my original setu=
p notes and
>>>> On a related note. I ordered a new gear set from Rimmer on Monday and
>>>> it arrived in Austin today, standard shipping. Amazing. Way faster tha=
n
>>>> some of our domestic suppliers.
>>>>
>>>> On Thursday, September 6, 2018 6:38 AM, Bill via Fot <
>>>> Marcel says, checking the temperature of the diff could have stopped t=
he
>>>> anything that heats the gears enough to cook the oil off the parts wil=
l
>>>> Apparently I screwed up somewhere in checking fit=E2=80=94when I pulle=
d the rear
>>>> differential cover so checking temperature doesn=E2=80=99t help, but I=
 could feel
>>>> the car slowing quickly between shifts. Fortunately I wasn=E2=80=99t d=
oing my usual
>>>> smelled like a cesspool, but the gears were still usable once I did th=
e
>>>> casing after a few laps when the pinion and crownwheel are freshly mou=
nted
>>>> : when the casing gets very hot, something is wrong : or the parts are=
 bad
e
>>>> names. As far as I know, used original parts are running cooler than s=
ome
>>>> of the aftermarked parts. How was the noise of the diff? Did you notic=
e the
>>>> track. I did not think to follow any set break in procedure with the g=
ears
>>>> Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/britcars=
@
>>>> Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/britcars=
@
>>>> bellsouth.net

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<div dir=3D"ltr">I can&#39;t answer that but one could measure the dimensio=
n of the pinion head and subtract it from the total shown to get the depth =
you would want.=C2=A0</div><div class=3D"gmail_extra"><br clear=3D"all"><di=
v><div class=3D"gmail_signature" data-smartmail=3D"gmail_signature"><div di=
r=3D"ltr">Bob Kramer</div></div></div>
<br><div class=3D"gmail_quote">On Mon, Sep 10, 2018 at 2:10 PM, John Styduh=
ar <span dir=3D"ltr">&lt;<a href=3D"mailto:[email-masked]" target=3D"_=
blank">[email-masked]</a>&gt;</span> wrote:<br><blockquote class=3D"gm=
ail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-le=
ft:1ex"><div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-size:sm=
all">I looked at my TR3, TR4/4A, and TR250/6 shop manuals, and all of them =
show the same factory tools to set the pinion depth measuring to the TOP of=
 the pinion head.=C2=A0 So why do the TR3 and 4 manuals have a rear axle il=
lustration that shows the critical measurement to the BACKSIDE of the pinio=
n head??=C2=A0 Is the length of the gear on the pinion the same length rega=
rdless of ratio?=C2=A0=C2=A0</div><div class=3D"gmail_default" style=3D"fon=
t-size:small"><div><img src=3D"cid:ii_jlwnsioa0" alt=3D"image.png" width=3D=
"400" height=3D"563"><img src=3D"cid:ii_jlwnttzq1" alt=3D"image.png" width=
=3D"400" height=3D"563"><br></div></div></div><br><div class=3D"gmail_quote=
"><div dir=3D"ltr">On Mon, Sep 10, 2018 at 9:43 AM Bob Kramer &lt;<a href=
=3D"mailto:[email-masked]" target=3D"_blank">[email-masked]</a>&g=
t; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 =
.8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir=3D"ltr">Len Renk=
enberger wrote an article a long time ago for the 6-Pack newsletter showing=
 how to do this without the factory tools, using polished bar stock to set =
up to measure pinion depth. I&#39;ve used his techniques for years with gre=
at=C2=A0success.</div><div class=3D"gmail_extra"><br clear=3D"all"><div><di=
v class=3D"m_-6899558429443211957m_-9137488195397417476gmail_signature" dat=
a-smartmail=3D"gmail_signature"><div dir=3D"ltr">Bob Kramer</div></div></di=
v>
<br><div class=3D"gmail_quote">On Sun, Sep 9, 2018 at 7:06 PM, John Styduha=
r via Fot <span dir=3D"ltr">&lt;<a href=3D"mailto:[email-masked]" targe=
t=3D"_blank">[email-masked]</a>&gt;</span> wrote:<br><blockquote class=
=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padd=
ing-left:1ex"><div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-s=
ize:small">Barry, when you are measuring TR pinion depth, where are you mea=
suring from and to?=C2=A0 The TR3 manual only has the dimension from the fr=
ont face of the pinion to the center of the ring gear which would be imposs=
ible to measure directly with the pinion gear installed.=C2=A0 =C2=A0</div>=
</div><div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-size:smal=
l"><br></div><div class=3D"gmail_default" style=3D"font-size:small"><br></d=
iv></div><br><div class=3D"gmail_quote"><div dir=3D"ltr">On Sun, Sep 9, 201=
8 at 5:28 PM barry rosenberg &lt;<a href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a>&gt; wrote:<br></div><blockquot=
e class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc sol=
id;padding-left:1ex"><div><div style=3D"color:#000;background-color:#fff;fo=
nt-family:Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size=
:13px"><div dir=3D"ltr" id=3D"m_-6899558429443211957m_-9137488195397417476m=
_-4901775303274922524m_1359472020569513798m_-3544020503911685817yui_3_16_0_=
ym19_1_1536526013624_12402"><span id=3D"m_-6899558429443211957m_-9137488195=
397417476m_-4901775303274922524m_1359472020569513798m_-3544020503911685817y=
ui_3_16_0_ym19_1_1536526013624_12401">There is a factory set of tools that =
one uses to measure pinion depth before taking a diff apart. Then you set t=
he new pinion at the same depth plus or minus the number on the gear.</span=
></div><div dir=3D"ltr" id=3D"m_-6899558429443211957m_-9137488195397417476m=
_-4901775303274922524m_1359472020569513798m_-3544020503911685817yui_3_16_0_=
ym19_1_1536526013624_12404"><span><br></span></div><div dir=3D"ltr" id=3D"m=
_-6899558429443211957m_-9137488195397417476m_-4901775303274922524m_13594720=
20569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12407"><sp=
an>Barry</span></div><div class=3D"m_-6899558429443211957m_-913748819539741=
7476m_-4901775303274922524m_1359472020569513798m_-3544020503911685817qtdSep=
arateBR" id=3D"m_-6899558429443211957m_-9137488195397417476m_-4901775303274=
922524m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_15365260=
13624_12406"><br><br></div><div class=3D"m_-6899558429443211957m_-913748819=
5397417476m_-4901775303274922524m_1359472020569513798m_-3544020503911685817=
yahoo_quoted" id=3D"m_-6899558429443211957m_-9137488195397417476m_-49017753=
03274922524m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_153=
6526013624_12469" style=3D"display:block">  <div style=3D"font-family:Helve=
tica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:13px" id=3D"m_=
-6899558429443211957m_-9137488195397417476m_-4901775303274922524m_135947202=
0569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12468"> <di=
v style=3D"font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida =
Grande,sans-serif;font-size:16px" id=3D"m_-6899558429443211957m_-9137488195=
397417476m_-4901775303274922524m_1359472020569513798m_-3544020503911685817y=
ui_3_16_0_ym19_1_1536526013624_12467"> <div dir=3D"ltr" id=3D"m_-6899558429=
443211957m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m=
_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12466"> <font size=3D"=
2" face=3D"Arial"> <hr size=3D"1"> <b><span style=3D"font-weight:bold">From=
:</span></b> John Styduhar via Fot &lt;<a href=3D"mailto:[email-masked]=
" target=3D"_blank">[email-masked]</a>&gt;<br> <b><span style=3D"font-w=
eight:bold">To:</span></b> Greg Blake &lt;<a href=3D"mailto:gblake58tr3@icl=
oud.com" target=3D"_blank">[email-masked]</a>&gt; <br><b><span styl=
e=3D"font-weight:bold">Cc:</span></b> Triumph &#39;Friends of Triumph &lt;<=
a href=3D"mailto:[email-masked]" target=3D"_blank">[email-masked]</=
a>&gt;<br> <b><span style=3D"font-weight:bold">Sent:</span></b> Sunday, Sep=
tember 9, 2018 5:12 PM<br> <b><span style=3D"font-weight:bold">Subject:</sp=
an></b> Re: [Fot] Fwd: Crown and pinion gear break in<br> </font> </div> <d=
iv class=3D"m_-6899558429443211957m_-9137488195397417476m_-4901775303274922=
524m_1359472020569513798m_-3544020503911685817y_msg_container" id=3D"m_-689=
9558429443211957m_-9137488195397417476m_-4901775303274922524m_1359472020569=
513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12473"><br><div=
 id=3D"m_-6899558429443211957m_-9137488195397417476m_-4901775303274922524m_=
1359472020569513798m_-3544020503911685817yiv0604855335"><div id=3D"m_-68995=
58429443211957m_-9137488195397417476m_-4901775303274922524m_135947202056951=
3798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12472"><div dir=
=3D"ltr" id=3D"m_-6899558429443211957m_-9137488195397417476m_-4901775303274=
922524m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_15365260=
13624_12471"><div class=3D"m_-6899558429443211957m_-9137488195397417476m_-4=
901775303274922524m_1359472020569513798m_-3544020503911685817yiv0604855335g=
mail_default" style=3D"font-size:small">The &quot;92&quot; is the &quot;mat=
ched set&quot; number and should correspond with the set number on the ring=
 gear.=C2=A0 The other number is the difference in pinion shimming from the=
 &quot;normal&quot;.=C2=A0 =C2=A0 Haha, what is normal?</div><div class=3D"=
m_-6899558429443211957m_-9137488195397417476m_-4901775303274922524m_1359472=
020569513798m_-3544020503911685817yiv0604855335gmail_default" style=3D"font=
-size:small" id=3D"m_-6899558429443211957m_-9137488195397417476m_-490177530=
3274922524m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536=
526013624_12470"><br clear=3D"none"></div></div><br clear=3D"none"><div cla=
ss=3D"m_-6899558429443211957m_-9137488195397417476m_-4901775303274922524m_1=
359472020569513798m_-3544020503911685817yiv0604855335gmail_quote" id=3D"m_-=
6899558429443211957m_-9137488195397417476m_-4901775303274922524m_1359472020=
569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12476"><div =
class=3D"m_-6899558429443211957m_-9137488195397417476m_-4901775303274922524=
m_1359472020569513798m_-3544020503911685817yiv0604855335yqt8106787341" id=
=3D"m_-6899558429443211957m_-9137488195397417476m_-4901775303274922524m_135=
9472020569513798m_-3544020503911685817yiv0604855335yqt70545"><div dir=3D"lt=
r" id=3D"m_-6899558429443211957m_-9137488195397417476m_-4901775303274922524=
m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_=
12475">On Sat, Sep 8, 2018 at 12:33 AM Greg Blake via Fot &lt;<a rel=3D"nof=
ollow" shape=3D"rect" href=3D"mailto:[email-masked]" target=3D"_blank">=
[email-masked]</a>&gt; wrote:<br clear=3D"none"></div><blockquote class=
=3D"m_-6899558429443211957m_-9137488195397417476m_-4901775303274922524m_135=
9472020569513798m_-3544020503911685817yiv0604855335gmail_quote" style=3D"ma=
rgin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex" id=3D"m_-68995=
58429443211957m_-9137488195397417476m_-4901775303274922524m_135947202056951=
3798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12480"><div id=3D=
"m_-6899558429443211957m_-9137488195397417476m_-4901775303274922524m_135947=
2020569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12479">O=
k guys and gals.=C2=A0<div id=3D"m_-6899558429443211957m_-91374881953974174=
76m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yui_3_16=
_0_ym19_1_1536526013624_12478"><br clear=3D"none"></div><div id=3D"m_-68995=
58429443211957m_-9137488195397417476m_-4901775303274922524m_135947202056951=
3798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12487">Here is a =
pic of the new pinion head. What do I do with the number on the pinion head=
?=C2=A0</div><div><img id=3D"m_-6899558429443211957m_-9137488195397417476m_=
-4901775303274922524m_1359472020569513798m_-3544020503911685817yiv060485533=
5m_-3671314450992527492D0E321B3-529F-409C-BF60-3D743DEB9A62" alt=3D"image1.=
jpeg"><br clear=3D"none"></div><div>Thanks.=C2=A0</div><div id=3D"m_-689955=
8429443211957m_-9137488195397417476m_-4901775303274922524m_1359472020569513=
798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12490"><br clear=
=3D"none"><br clear=3D"none"><div id=3D"m_-6899558429443211957m_-9137488195=
397417476m_-4901775303274922524m_1359472020569513798m_-3544020503911685817y=
iv0604855335m_-3671314450992527492AppleMailSignature">Sent from my iPhone</=
div><div id=3D"m_-6899558429443211957m_-9137488195397417476m_-4901775303274=
922524m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_15365260=
13624_12489"><br clear=3D"none">On Sep 7, 2018, at 1:07 PM, Bob Kramer &lt;=
<a rel=3D"nofollow" shape=3D"rect" href=3D"mailto:[email-masked]" targ=
et=3D"_blank">[email-masked]</a>&gt; wrote:<br clear=3D"none"><br clea=
r=3D"none"></div><blockquote type=3D"cite" id=3D"m_-6899558429443211957m_-9=
137488195397417476m_-4901775303274922524m_1359472020569513798m_-35440205039=
11685817yui_3_16_0_ym19_1_1536526013624_12496"><div id=3D"m_-68995584294432=
11957m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_-35=
44020503911685817yui_3_16_0_ym19_1_1536526013624_12495"><div dir=3D"ltr" id=
=3D"m_-6899558429443211957m_-9137488195397417476m_-4901775303274922524m_135=
9472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12494=
">I have a 4.88 ring and pinion in a box. My Triumph club is running the VT=
R National near Austin next year and I&#39;ve been volunteered to head up t=
he autocross. I think I&#39;ll build a diff with it and put it in the Beand=
ito, and sell tickets!=C2=A0</div><div class=3D"m_-6899558429443211957m_-91=
37488195397417476m_-4901775303274922524m_1359472020569513798m_-354402050391=
1685817yiv0604855335gmail_extra" id=3D"m_-6899558429443211957m_-91374881953=
97417476m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yu=
i_3_16_0_ym19_1_1536526013624_12502"><br clear=3D"all"><div><div class=3D"m=
_-6899558429443211957m_-9137488195397417476m_-4901775303274922524m_13594720=
20569513798m_-3544020503911685817yiv0604855335m_-3671314450992527492gmail_s=
ignature"><div dir=3D"ltr">Bob Kramer</div></div></div>
<br clear=3D"none"><div class=3D"m_-6899558429443211957m_-91374881953974174=
76m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yiv06048=
55335gmail_quote" id=3D"m_-6899558429443211957m_-9137488195397417476m_-4901=
775303274922524m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1=
_1536526013624_12501">On Fri, Sep 7, 2018 at 8:37 AM, barry rosenberg via F=
ot <span dir=3D"ltr">&lt;<a rel=3D"nofollow" shape=3D"rect" href=3D"mailto:=
[email-masked]" target=3D"_blank">[email-masked]</a>&gt;</span> wro=
te:<br clear=3D"none"><blockquote class=3D"m_-6899558429443211957m_-9137488=
195397417476m_-4901775303274922524m_1359472020569513798m_-35440205039116858=
17yiv0604855335gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc=
 solid;padding-left:1ex" id=3D"m_-6899558429443211957m_-9137488195397417476=
m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yui_3_16_0=
_ym19_1_1536526013624_12500"><div id=3D"m_-6899558429443211957m_-9137488195=
397417476m_-4901775303274922524m_1359472020569513798m_-3544020503911685817y=
ui_3_16_0_ym19_1_1536526013624_12499"><div style=3D"color:#000;background-c=
olor:#fff;font-family:Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-ser=
if;font-size:13px" id=3D"m_-6899558429443211957m_-9137488195397417476m_-490=
1775303274922524m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_=
1_1536526013624_12498"><div id=3D"m_-6899558429443211957m_-9137488195397417=
476m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yiv0604=
855335m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326=
086781_12427"><span id=3D"m_-6899558429443211957m_-9137488195397417476m_-49=
01775303274922524m_1359472020569513798m_-3544020503911685817yiv0604855335m_=
-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_1=
2426">Wasn&#39;t this the new set of gears? If so, they were new old stock =
from England. They once belonged to Jim Ealy, who owned a black, 1966 TR4A =
race car. I bought his junk yard to get his race car and the gears were new=
 in the box. I knew him since 1973 and he had the gears then. I had them un=
til recently. I would not think that back then there were cheap reproductio=
n gears available. He had 4:11, the 4:55 and 4:88 (great fun but useless). =
The 4:11 went in the car when I sold it, the 4:88 were put in a locked diff=
 and played with on the street; the 4:55 sat on a shelf for all those years=
. If the diff still had fluid in it, then it has to be improper set up, unf=
ortunately.</span></div><div id=3D"m_-6899558429443211957m_-913748819539741=
7476m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yiv060=
4855335m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_153632=
6086781_12427"><span><br clear=3D"none"></span></div><div id=3D"m_-68995584=
29443211957m_-9137488195397417476m_-4901775303274922524m_135947202056951379=
8m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-69286594161931=
45832yui_3_16_0_ym19_1_1536326086781_12427"><span>Barry</span></div><div cl=
ass=3D"m_-6899558429443211957m_-9137488195397417476m_-4901775303274922524m_=
1359472020569513798m_-3544020503911685817yiv0604855335m_-367131445099252749=
2m_-6928659416193145832qtdSeparateBR" id=3D"m_-6899558429443211957m_-913748=
8195397417476m_-4901775303274922524m_1359472020569513798m_-3544020503911685=
817yiv0604855335m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19=
_1_1536326086781_12440"><br clear=3D"none"><br clear=3D"none"></div><div cl=
ass=3D"m_-6899558429443211957m_-9137488195397417476m_-4901775303274922524m_=
1359472020569513798m_-3544020503911685817yiv0604855335m_-367131445099252749=
2m_-6928659416193145832yahoo_quoted" id=3D"m_-6899558429443211957m_-9137488=
195397417476m_-4901775303274922524m_1359472020569513798m_-35440205039116858=
17yiv0604855335m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_=
1_1536326086781_12446" style=3D"display:block">  <div id=3D"m_-689955842944=
3211957m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_-=
3544020503911685817yiv0604855335m_-3671314450992527492m_-692865941619314583=
2yui_3_16_0_ym19_1_1536326086781_12445" style=3D"font-family:Helvetica Neue=
,Helvetica,Arial,Lucida Grande,sans-serif;font-size:13px"> <div id=3D"m_-68=
99558429443211957m_-9137488195397417476m_-4901775303274922524m_135947202056=
9513798m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-69286594=
16193145832yui_3_16_0_ym19_1_1536326086781_12444" style=3D"font-family:Helv=
eticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size=
:16px"> <div dir=3D"ltr" id=3D"m_-6899558429443211957m_-9137488195397417476=
m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yiv0604855=
335m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086=
781_12443"> <font id=3D"m_-6899558429443211957m_-9137488195397417476m_-4901=
775303274922524m_1359472020569513798m_-3544020503911685817yiv0604855335m_-3=
671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_124=
42" size=3D"2" face=3D"Arial"> </font><hr id=3D"m_-6899558429443211957m_-91=
37488195397417476m_-4901775303274922524m_1359472020569513798m_-354402050391=
1685817yiv0604855335m_-3671314450992527492m_-6928659416193145832yui_3_16_0_=
ym19_1_1536326086781_12441" size=3D"1"> <b><span style=3D"font-weight:bold"=
>From:</span></b> Greg Blake via Fot &lt;<a rel=3D"nofollow" shape=3D"rect"=
 href=3D"mailto:[email-masked]" id=3D"m_-6899558429443211957m_-91374881=
95397417476m_-4901775303274922524m_1359472020569513798m_-354402050391168581=
7yui_3_16_0_ym19_1_1536526013624_12509" target=3D"_blank">[email-masked]=
t</a>&gt;<br clear=3D"none"> <b><span style=3D"font-weight:bold">To:</span>=
</b> Fot &lt;<a rel=3D"nofollow" shape=3D"rect" href=3D"mailto:[email-masked]=
am.net" target=3D"_blank">[email-masked]</a>&gt; <br clear=3D"none"><b>=
<span style=3D"font-weight:bold">Cc:</span></b> fot &lt;<a rel=3D"nofollow"=
 shape=3D"rect" href=3D"mailto:[email-masked]" target=3D"_blank">fot@au=
tox.team.net</a>&gt;<br clear=3D"none"> <b><span style=3D"font-weight:bold"=
>Sent:</span></b> Friday, September 7, 2018 6:14 AM<br clear=3D"none"> <b><=
span style=3D"font-weight:bold">Subject:</span></b> Re: [Fot] Fwd:  Crown a=
nd pinion gear break in<br clear=3D"none">  </div> <div class=3D"m_-6899558=
429443211957m_-9137488195397417476m_-4901775303274922524m_13594720205695137=
98m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-6928659416193=
145832y_msg_container" id=3D"m_-6899558429443211957m_-9137488195397417476m_=
-4901775303274922524m_1359472020569513798m_-3544020503911685817yiv060485533=
5m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_153632608678=
1_13039"><br clear=3D"none"><div id=3D"m_-6899558429443211957m_-91374881953=
97417476m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yi=
v0604855335m_-3671314450992527492m_-6928659416193145832yiv8608138712"><div =
id=3D"m_-6899558429443211957m_-9137488195397417476m_-4901775303274922524m_1=
359472020569513798m_-3544020503911685817yiv0604855335m_-3671314450992527492=
m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_13040">Thanks guys fo=
r all the feedback.=C2=A0<div id=3D"m_-6899558429443211957m_-91374881953974=
17476m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yiv06=
04855335m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_15363=
26086781_13041"><br clear=3D"none"></div><div id=3D"m_-6899558429443211957m=
_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_-35440205=
03911685817yiv0604855335m_-3671314450992527492m_-6928659416193145832yui_3_1=
6_0_ym19_1_1536326086781_13042">So far I have only put the car in the air a=
nd pulled the cover. There is ample evidence of excessive heat so something=
 went wrong with my setup.=C2=A0</div><div id=3D"m_-6899558429443211957m_-9=
137488195397417476m_-4901775303274922524m_1359472020569513798m_-35440205039=
11685817yiv0604855335m_-3671314450992527492m_-6928659416193145832yui_3_16_0=
_ym19_1_1536326086781_13043"><br clear=3D"none"></div><div id=3D"m_-6899558=
429443211957m_-9137488195397417476m_-4901775303274922524m_13594720205695137=
98m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-6928659416193=
145832yui_3_16_0_ym19_1_1536326086781_13044">I might get the chance to pull=
 it all out of the car and take some measurements on Sunday. Once I do, I=
=E2=80=99ll share my original setup notes and what I measure upon disassemb=
ly.</div><div id=3D"m_-6899558429443211957m_-9137488195397417476m_-49017753=
03274922524m_1359472020569513798m_-3544020503911685817yiv0604855335m_-36713=
14450992527492m_-6928659416193145832yui_3_16_0_ym19_1_1536326086781_13045">=
<br clear=3D"none"></div><div id=3D"m_-6899558429443211957m_-91374881953974=
17476m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yiv06=
04855335m_-3671314450992527492m_-6928659416193145832yui_3_16_0_ym19_1_15363=
26086781_13046">On a related note. I ordered a new gear set from Rimmer on =
Monday and it arrived in Austin today, standard shipping. Amazing. Way fast=
er than some of our domestic suppliers.=C2=A0</div><div><br clear=3D"none">=
</div><div>This new gear set was supplied by Bastuck. Hopefully lasts a lit=
tle longer. =C2=A0</div><div id=3D"m_-6899558429443211957m_-913748819539741=
7476m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yui_3_=
16_0_ym19_1_1536526013624_12515"><br clear=3D"none"><div id=3D"m_-689955842=
9443211957m_-9137488195397417476m_-4901775303274922524m_1359472020569513798=
m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-692865941619314=
5832yiv8608138712AppleMailSignature">Sent from my iPhone</div><div class=3D=
"m_-6899558429443211957m_-9137488195397417476m_-4901775303274922524m_135947=
2020569513798m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-69=
28659416193145832yiv8608138712yqt3328800303" id=3D"m_-6899558429443211957m_=
-9137488195397417476m_-4901775303274922524m_1359472020569513798m_-354402050=
3911685817yiv0604855335m_-3671314450992527492m_-6928659416193145832yiv86081=
38712yqt60981"><div><br clear=3D"none">On Sep 6, 2018, at 7:41 AM, Rick Par=
ent via Fot &lt;<a rel=3D"nofollow" shape=3D"rect" href=3D"mailto:fot@autox=
.team.net" target=3D"_blank">[email-masked]</a>&gt; wrote:<br clear=3D"=
none"><br clear=3D"none"></div><blockquote type=3D"cite" id=3D"m_-689955842=
9443211957m_-9137488195397417476m_-4901775303274922524m_1359472020569513798=
m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12523"><div id=3D"m_-=
6899558429443211957m_-9137488195397417476m_-4901775303274922524m_1359472020=
569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12522"><div =
style=3D"color:#000;background-color:#fff;font-family:Helvetica Neue,Helvet=
ica,Arial,Lucida Grande,sans-serif;font-size:13px" id=3D"m_-689955842944321=
1957m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_-354=
4020503911685817yui_3_16_0_ym19_1_1536526013624_12521"><div id=3D"m_-689955=
8429443211957m_-9137488195397417476m_-4901775303274922524m_1359472020569513=
798m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-692865941619=
3145832yiv8608138712yui_3_16_0_ym19_1_1536237470748_10096"><span id=3D"m_-6=
899558429443211957m_-9137488195397417476m_-4901775303274922524m_13594720205=
69513798m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-6928659=
416193145832yiv8608138712yui_3_16_0_ym19_1_1536237470748_10136">Looks like =
the pinion was way to deep.</span></div> <div class=3D"m_-68995584294432119=
57m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_-35440=
20503911685817yiv0604855335m_-3671314450992527492m_-6928659416193145832yiv8=
608138712qtdSeparateBR"><br clear=3D"none"><br clear=3D"none"></div><div cl=
ass=3D"m_-6899558429443211957m_-9137488195397417476m_-4901775303274922524m_=
1359472020569513798m_-3544020503911685817yiv0604855335m_-367131445099252749=
2m_-6928659416193145832yiv8608138712yahoo_quoted" style=3D"display:block" i=
d=3D"m_-6899558429443211957m_-9137488195397417476m_-4901775303274922524m_13=
59472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_1252=
0"> <div style=3D"font-family:Helvetica Neue,Helvetica,Arial,Lucida Grande,=
sans-serif;font-size:13px" id=3D"m_-6899558429443211957m_-91374881953974174=
76m_-4901775303274922524m_1359472020569513798m_-3544020503911685817yui_3_16=
_0_ym19_1_1536526013624_12519"> <div style=3D"font-family:HelveticaNeue,Hel=
vetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:16px" id=3D"=
m_-6899558429443211957m_-9137488195397417476m_-4901775303274922524m_1359472=
020569513798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12518"> <=
div dir=3D"ltr"><font size=3D"2" face=3D"Arial"> On Thursday, September 6, =
2018 6:38 AM, Bill via Fot &lt;<a rel=3D"nofollow" shape=3D"rect" href=3D"m=
ailto:[email-masked]" target=3D"_blank">[email-masked]</a>&gt; wrot=
e:<br clear=3D"none"></font></div>  <br clear=3D"none"><br clear=3D"none"> =
<div class=3D"m_-6899558429443211957m_-9137488195397417476m_-49017753032749=
22524m_1359472020569513798m_-3544020503911685817yiv0604855335m_-36713144509=
92527492m_-6928659416193145832yiv8608138712y_msg_container" id=3D"m_-689955=
8429443211957m_-9137488195397417476m_-4901775303274922524m_1359472020569513=
798m_-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12517"><div dir=3D=
"ltr" id=3D"m_-6899558429443211957m_-9137488195397417476m_-4901775303274922=
524m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_15365260136=
24_12516">I doubt if a break-in procedure could have prevented failure, but=
 as Marcel says, checking the temperature of the diff could have stopped th=
e damage. The likely culprits are incorrect engagement or bad parts, but an=
ything that heats the gears enough to cook the oil off the parts will kill =
the gears. I had a close call with one of the gear sets I use. Apparently I=
 screwed up somewhere in checking fit=E2=80=94when I pulled the rear end to=
 assess the problem there was no backlash. I have a huge finned differentia=
l cover so checking temperature doesn=E2=80=99t help, but I could feel the =
car slowing quickly between shifts. Fortunately I wasn=E2=80=99t doing my u=
sual clutchless shifts and noticed the sudden deceleration every time I dis=
engaged the clutch. The gear teeth were slightly blued and the oil smelled =
like a cesspool, but the gears were still usable once I did the setup prope=
rly. <br clear=3D"none"><br clear=3D"none">Bill<br clear=3D"none"> <br clea=
r=3D"none">&gt; On Sep 5, 2018, at 1:48 AM, van.mulders.marcel--- via Fot &=
lt;<a rel=3D"nofollow" shape=3D"rect" href=3D"mailto:[email-masked]" ta=
rget=3D"_blank">[email-masked]</a>&gt; wrote:<br clear=3D"none">&gt; <b=
r clear=3D"none">&gt; <br clear=3D"none">&gt; <br clear=3D"none">&gt; -----=
 Doorgestuurd bericht -----<br clear=3D"none">&gt; Van: &quot;van mulders m=
arcel&quot; &lt;<a rel=3D"nofollow" shape=3D"rect" href=3D"mailto:van.mulde=
[email-masked]" target=3D"_blank">[email-masked]</a><w=
br>&gt;<br clear=3D"none">&gt; Aan: &quot;Greg Blake&quot; &lt;<a rel=3D"no=
follow" shape=3D"rect" href=3D"mailto:[email-masked]" target=3D"_bl=
ank">[email-masked]</a>&gt;<br clear=3D"none">&gt; Verzonden: Woens=
dag 5 september 2018 10:47:59<br clear=3D"none">&gt; Onderwerp: Re: [Fot] C=
rown and pinion gear break in<br clear=3D"none">&gt; <br clear=3D"none">&gt=
; I think it is good measure to check the heat of the differential casing a=
fter a few laps when the pinion and crownwheel are freshly mounted : when t=
he casing gets very hot, something is wrong : or the parts are bad or they =
are mounted not correctly<br clear=3D"none">&gt; There are at least 2 manuf=
actures of the TR parts, I forgot about the names. As far as I know, used o=
riginal parts are running cooler than some of the aftermarked parts. How wa=
s the noise of the diff? Did you notice the smell during the first laps?<br=
 clear=3D"none">&gt; Marcel<br clear=3D"none">&gt; <br clear=3D"none">&gt; =
----- Oorspronkelijk bericht -----<br clear=3D"none">&gt; Van: &quot;fot&qu=
ot; &lt;<a rel=3D"nofollow" shape=3D"rect" href=3D"mailto:[email-masked]=
t" target=3D"_blank">[email-masked]</a>&gt;<br clear=3D"none">&gt; Aan:=
 &quot;fot&quot; &lt;<a rel=3D"nofollow" shape=3D"rect" href=3D"mailto:fot@=
autox.team.net" target=3D"_blank">[email-masked]</a>&gt;<br clear=3D"no=
ne">&gt; Verzonden: Woensdag 5 september 2018 03:25:39<br clear=3D"none">&g=
t; Onderwerp: [Fot] Crown and pinion gear break in<br clear=3D"none">&gt; <=
br clear=3D"none">&gt; I would love to here the FOT experience in breaking =
in new differential gears. What has worked well for you in the past?=C2=A0 =
<br clear=3D"none">&gt; <br clear=3D"none">&gt; Last weekend, I was running=
 the TR3 at Hallett with a brand new 4.55 gear set and it failed. I probabl=
y got 30 laps total in 4 sessions on track. I did not think to follow any s=
et break in procedure with the gears and I am wondering if that is why they=
 failed. <br clear=3D"none">&gt; <br clear=3D"none">&gt; I am interested in=
 the lists experience with brand new or new old stock ring and pinion break=
 in. <br clear=3D"none">&gt; <br clear=3D"none">&gt; Here is a pic of the f=
ailed set. <br clear=3D"none">&gt; <br clear=3D"none">&gt; <br clear=3D"non=
e">&gt; <br clear=3D"none">&gt; [image/jpeg:image1.jpeg]<br clear=3D"none">=
&gt; <br clear=3D"none">&gt; <br clear=3D"none">&gt; <br clear=3D"none">&gt=
; Sent from my iPhone<br clear=3D"none">&gt; ______________________________=
<wbr>_________________<br clear=3D"none">&gt; <a rel=3D"nofollow" shape=3D"=
rect" href=3D"mailto:[email-masked]" target=3D"_blank">[email-masked]=
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hape=3D"rect" href=3D"http://www.fot-racing.com/" target=3D"_blank">http://=
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-4901775303274922524m_1359472020569513798m_-3544020503911685817yui_3_16_0_y=
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<wbr>fot</a><br clear=3D"none">&gt; Unsubscribe/Manage: <a rel=3D"nofollow"=
 shape=3D"rect" href=3D"http://autox.team.net/mailman/options/fot/van.mulde=
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4901775303274922524m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym=
19_1_1536526013624_12527" target=3D"_blank">http://autox.team.net/mailman/<=
wbr>options/fot/van.mulders.<wbr>[email-masked]</a><br clear=3D"none">&g=
t; ______________________________<wbr>_________________<br clear=3D"none">&=
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team.net/mailman/<wbr>options/fot/[email-masked]</a><div class=3D"m_-68=
99558429443211957m_-9137488195397417476m_-4901775303274922524m_135947202056=
9513798m_-3544020503911685817yiv0604855335m_-3671314450992527492m_-69286594=
16193145832yiv8608138712yqt5699898352" id=3D"m_-6899558429443211957m_-91374=
88195397417476m_-4901775303274922524m_1359472020569513798m_-354402050391168=
5817yiv0604855335m_-3671314450992527492m_-6928659416193145832yiv8608138712y=
qtfd98926"><br clear=3D"none">&gt; <br clear=3D"none">&gt; <br clear=3D"non=
e"><br clear=3D"none">______________________________<wbr>_________________<=
br clear=3D"none"><a rel=3D"nofollow" shape=3D"rect" href=3D"mailto:fot@aut=
ox.team.net" target=3D"_blank">[email-masked]</a><br clear=3D"none"><br=
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e"><br clear=3D"none">Donate: <a rel=3D"nofollow" shape=3D"rect" href=3D"ht=
tp://www.team.net/donate.html" id=3D"m_-6899558429443211957m_-9137488195397=
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=3D"none"><br clear=3D"none"></div></div><br clear=3D"none"><br clear=3D"no=
ne"></div>  </div> </div>  </div></div></div></blockquote></div><blockquote=
 type=3D"cite" id=3D"m_-6899558429443211957m_-9137488195397417476m_-4901775=
303274922524m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_15=
36526013624_12535"><div id=3D"m_-6899558429443211957m_-9137488195397417476m=
_-4901775303274922524m_1359472020569513798m_-3544020503911685817yui_3_16_0_=
ym19_1_1536526013624_12534"><span>______________________________<wbr>______=
___________</span><br clear=3D"none"><span><a rel=3D"nofollow" shape=3D"rec=
t" href=3D"mailto:[email-masked]" target=3D"_blank">[email-masked]<=
/a></span><br clear=3D"none"><span></span><br clear=3D"none"><span><a rel=
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524m_1359472020569513798m_-3544020503911685817yui_3_16_0_ym19_1_15365260136=
24_12538">Unsubscribe/Manage: <a rel=3D"nofollow" shape=3D"rect" href=3D"ht=
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ss=3D"m_-6899558429443211957m_-9137488195397417476m_-4901775303274922524m_1=
359472020569513798m_-3544020503911685817yiv0604855335m_-3671314450992527492=
m_-6928659416193145832yqt3328800303" id=3D"m_-6899558429443211957m_-9137488=
195397417476m_-4901775303274922524m_1359472020569513798m_-35440205039116858=
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________________________<wbr>_________________<br clear=3D"none"><a rel=3D"=
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>  </div></div></div><br clear=3D"none">______________________________<wbr>=
_________________<br clear=3D"none">
<a rel=3D"nofollow" shape=3D"rect" href=3D"mailto:[email-masked]" targe=
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From: "John H. Hasty via Fot" <[email-masked]>
Date: Mon, 10 Sep 2018 23:31:02 +0000

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From: "van.mulders.marcel--- via Fot" <[email-masked]>
Date: Tue, 11 Sep 2018 07:35:08 +0200 (CEST)

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This is interesting. I believe there are only these 2 makes and that neither are bad. 
The gears that got very hot in my car was an Oerlikon set but I think that the reason for that is the pinion teeth : it is an 4.31 ratio set with only 9 teeth on the pinion and these teeth are longer and very curved and maybe they are generating more heat? 
In general, whatever method or special tools are used to install the gears, one has to use his senses : looking at the mesh pattern with Dykem blue or some other paint, listen for a wining sound, feel for heat and smell for burnt oil! 
Marcel 

Van: "fot" <[email-masked]> 
Aan: "fot" <[email-masked]> 
Verzonden: Maandag 10 september 2018 08:36:05 
Onderwerp: Re: [Fot] Crown and pinion gear break in 

    1. Gleason gears 
    2. Oerlikon gears 

The workshop manual is referring to Gleason gear type. If you got an Oerlikon type of gear (the more modern one), and you try to set it up with the Workshop manual, then the gear will fail. 

This is because, that the contact pattern, which is shown in the manual, is mirrored at an Oerlikon type. 

So most Oerlikons die of wrong contact pattern, with the pinion too deep in the Crown wheel, almost touching the carrier. 

Cheers 

Chris 

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--></style></div><div><br></div><div>This is interesting. I believe there a=
re only these 2 makes and that neither are bad.</div><div>The gears that go=
t very hot in my car was an Oerlikon set but I think that the reason for th=
at is the pinion teeth : it is an 4.31 ratio set with only 9 teeth on the p=
inion and these teeth are longer and very curved and maybe they are generat=
ing more heat?</div><div>In general, whatever method or special tools are u=
sed to install the gears, one has to use his senses : looking at the mesh p=
attern with Dykem blue or some other paint, listen for a wining sound, feel=
 for heat and smell for burnt oil!</div><div>Marcel</div><hr id=3D"zwchr" d=
ata-marker=3D"__DIVIDER__"><div data-marker=3D"__HEADERS__"><b>Van: </b>"fo=
t" &lt;[email-masked]&gt;<br><b>Aan: </b>"fot" &lt;[email-masked]&g=
t;<br><b>Verzonden: </b>Maandag 10 september 2018 08:36:05<br><b>Onderwerp:=
 </b>Re: [Fot] Crown and pinion gear break in<br></div><div><br></div><div =
data-marker=3D"__QUOTED_TEXT__"><div class=3D"WordSection1"><p class=3D"Mso=
Normal"><span lang=3D"EN-US">Maybe something to know about Diffs:</span></p=
><p class=3D"MsoNormal"><span lang=3D"EN-US">&nbsp;</span></p><p class=3D"M=
soNormal"><span lang=3D"EN-US">On Triumphs, these days are two different ty=
pes of gear available:</span></p><p class=3D"MsoNormal"><span lang=3D"EN-US=
">&nbsp;</span></p><ol style=3D"margin-top:0cm" start=3D"1" type=3D"1"><li =
class=3D"MsoListParagraph" style=3D"margin-left:0cm;mso-list:l0 level1 lfo1=
"><span lang=3D"EN-US">Gleason gears</span></li><li class=3D"MsoListParagra=
ph" style=3D"margin-left:0cm;mso-list:l0 level1 lfo1"><span lang=3D"EN-US">=
Oerlikon gears</span></li></ol><p class=3D"MsoNormal"><span lang=3D"EN-US">=
&nbsp;</span></p><p class=3D"MsoNormal"><span lang=3D"EN-US">The workshop m=
anual is referring to Gleason gear type. If you got an Oerlikon type of gea=
r (the more modern one), and you try to set it up with the Workshop manual,=
 then the gear will fail.</span></p><p class=3D"MsoNormal"><span lang=3D"EN=
-US">This is because, that the contact pattern, which is shown in the manua=
l, is mirrored at an Oerlikon type.</span></p><p class=3D"MsoNormal"><span =
lang=3D"EN-US">&nbsp;</span></p><p class=3D"MsoNormal"><span lang=3D"EN-US"=
>So most Oerlikons die of wrong contact pattern, with the pinion too deep i=
n the Crown wheel, almost touching the carrier.</span></p><p class=3D"MsoNo=
rmal"><span lang=3D"EN-US">&nbsp;</span></p><p class=3D"MsoNormal"><span la=
ng=3D"EN-US">Cheers</span></p><p class=3D"MsoNormal"><span lang=3D"EN-US">C=
hris</span></p></div><br>_______________________________________________<br=
>[email-masked]<br><br>http://www.fot-racing.com<br><br>Donate: http://=
www.team.net/donate.html<br>Archive: http://www.team.net/pipermail/fot<br>U=
nsubscribe/Manage: http://autox.team.net/mailman/options/fot/van.mulders.ma=
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---

From: Bill via Fot <[email-masked]>
Date: Tue, 11 Sep 2018 07:22:37 -0700

--===============1799727813118005458==
	boundary="Apple-Mail=_42D92113-1877-4581-9BB4-A17D3E1944C1"

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Very pretty, too bad I don=E2=80=99t have a use for them.=20

I came to the slow realization in reading all this that I=E2=80=99ve =
never bought a new set of gears. Everything I have is used but good. =
I=E2=80=99ve changed out gears in TR diffs many times, but always with =
the same old stuff. I don=E2=80=99t have any special tools, I=E2=80=99ve =
just used the tooth pattern and backlash ass a guide. I probably should =
up my game, but it=E2=80=99s worked fine so far.=20

Peyote let go with a bang last weekend, last race, last day of the =
Columbia River Classic. Ran well on Saturday, didn=E2=80=99t feel quite =
right on Sunday, and when I checked the timing it was jumping around. I =
assumed my timing light was crap (it is) and the timing was proper =
whenever it settled. Engine sounded good in the pits, and it was still =
competitive.=20

Then, near the end of the back straight, BAM. Stuffed the clutch in and =
coasted through the turns, onto the exit road, through the hot pits and =
off to the side. Walk of shame back to my pit.=20

The jumpy timing source was obvious when I started tearing things =
down=E2=80=94a distributor full of aluminum shavings. Typical mallory =
problem. When the advance weight retainer lets go the weights gouge the =
distributor body and bounce all over the place. With the engine not =
right I was pushing hard when I should have been loading it up to head =
home. Dumb. #3 rod bearing stuck and broke off the cap, havoc ensued. At =
least it didn=E2=80=99t ventilate the block, and the crank might be =
salvageable. Tony Garmey says there=E2=80=99s a company he=E2=80=99s =
used that does Ion Plasma welding to redress journals to a better =
surface finish than new. That would be nice, it=E2=80=99s a good steel =
crank and everything else (other than the rod and probably the piston) =
looks fine. At least I was quick on the clutch and kill switch and =
didn=E2=80=99t hammer things for long. The piston top has a clear =
imprint of the combustion chamber. I=E2=80=99d guess it might be a tad =
shorter than spec.=20

Oh well, I was tired of working on my motor home restoration anyway.=20

> On Sep 10, 2018, at 12:55 PM, barry rosenberg via Fot =
<[email-masked]> wrote:
>=20
> Besides having a bunch of Triumph, MGB and Healey special tools, I =
have the most beautiful set of TR3 thru 4A Headers that I will never =
use. They are much too pretty for a race car but could look great on a =
show car. The workmanship on these is excellent, the best I have ever =
seen. They are polished stainless steel, two parts. Outer two cylinders =
and inner two cylinders. They will look great as a wall decoration if =
they don't sell. $500 makes them yours. Tools, books and toys I try to =
never sell, parts that I don't need, go to go. I also have a great right =
rear fender for a TR250 in original paint for $400. Needs very very =
little work to be put on a car, No rust or dents.
>=20
> Barry
>=20
>=20
>=20
>=20
>=20
>=20
>=20
>=20
>=20
>=20
>=20
> From: Chris Marx via Fot <[email-masked] =
> To: "fot@autox. team. net" <[email-masked] =
> Gleason gears
> Oerlikon gears
> This is because, that the contact pattern, which is shown in the =
manual, is mirrored at an Oerlikon type.
> =20
> So most Oerlikons die of wrong contact pattern, with the pinion too =
deep in the Crown wheel, almost touching the carrier.
> http://www.fot-racing.com <http://www.fot-racing.com/>
>=20
> Donate: http://www.team.net/donate.html =
<http://www.team.net/donate.html>
> Archive: http://www.team.net/pipermail/fot =
<http://www.team.net/pipermail/fot>
> Unsubscribe/Manage: =
http://autox.team.net/mailman/options/fot/[email-masked] =
<http://autox.team.net/mailman/options/fot/[email-masked]>
> http://www.fot-racing.com <http://www.fot-racing.com/>
>=20
> Donate: http://www.team.net/donate.html =
<http://www.team.net/donate.html>
> Archive: http://www.team.net/pipermail/fot =
<http://www.team.net/pipermail/fot>
> Unsubscribe/Manage: =
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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;" class=3D"">Very =
pretty, too bad I don=E2=80=99t have a use for them.&nbsp;<div =
class=3D""><br class=3D""></div><div class=3D"">I came to the slow =
realization in reading all this that I=E2=80=99ve never bought a new set =
of gears. Everything I have is used but good. I=E2=80=99ve changed out =
gears in TR diffs many times, but always with the same old stuff. I =
don=E2=80=99t have any special tools, I=E2=80=99ve just used the tooth =
pattern and backlash ass a guide. I probably should up my game, but =
it=E2=80=99s worked fine so far.&nbsp;</div><div class=3D""><br =
class=3D""></div><div class=3D"">Peyote let go with a bang last weekend, =
last race, last day of the Columbia River Classic. Ran well on Saturday, =
didn=E2=80=99t feel quite right on Sunday, and when I checked the timing =
it was jumping around. I assumed my timing light was crap (it is) and =
the timing was proper whenever it settled. Engine sounded good in the =
pits, and it was still competitive.&nbsp;</div><div class=3D""><br =
class=3D""></div><div class=3D"">Then, near the end of the back =
straight, BAM. Stuffed the clutch in and coasted through the turns, onto =
the exit road, through the hot pits and off to the side. Walk of shame =
back to my pit.&nbsp;</div><div class=3D""><br class=3D""></div><div =
class=3D"">The jumpy timing source was obvious when I started tearing =
things down=E2=80=94a distributor full of aluminum shavings. Typical =
mallory problem. When the advance weight retainer lets go the weights =
gouge the distributor body and bounce all over the place. With the =
engine not right I was pushing hard when I should have been loading it =
up to head home. Dumb. #3 rod bearing stuck and broke off the cap, havoc =
ensued. At least it didn=E2=80=99t ventilate the block, and the crank =
might be salvageable. Tony Garmey says there=E2=80=99s a company he=E2=80=99=
s used that does Ion Plasma welding to redress journals to a better =
surface finish than new. That would be nice, it=E2=80=99s a good steel =
crank and everything else (other than the rod and probably the piston) =
looks fine. At least I was quick on the clutch and kill switch and =
didn=E2=80=99t hammer things for long. The piston top has a clear =
imprint of the combustion chamber. I=E2=80=99d guess it might be a tad =
shorter than spec.&nbsp;</div><div class=3D""><br class=3D""></div><div =
class=3D"">Oh well, I was tired of working on my motor home restoration =
anyway.&nbsp;</div><div class=3D""><br class=3D""></div><div =
class=3D""><img apple-inline=3D"yes" =
id=3D"04324C26-65F0-4A4A-B3E9-9C5F797BFB60" =
src=3D"cid:D0C3169A-0992-4FF1-8981-19A4E1816FD3" class=3D""><img =
apple-inline=3D"yes" id=3D"80390CE5-EEA3-4581-B202-3261D8FF9940" =
src=3D"cid:2E7CFD50-0626-4C25-A182-817E60E9413B" class=3D""><img =
apple-inline=3D"yes" id=3D"D850CE78-A620-41D5-94D6-7B4E2F4E5A26" =
src=3D"cid:A9FAF5BD-19B4-498A-A46F-B44591ED5332" class=3D""><br =
class=3D""><div><br class=3D""><blockquote type=3D"cite" class=3D""><div =
class=3D"">On Sep 10, 2018, at 12:55 PM, barry rosenberg via Fot &lt;<a =
href=3D"mailto:[email-masked]" class=3D"">[email-masked]</a>&gt; =
wrote:</div><br class=3D"Apple-interchange-newline"><div class=3D""><div =
style=3D"caret-color: rgb(0, 0, 0); font-style: normal; =
font-variant-caps: normal; font-weight: normal; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none; background-color: rgb(255, 255, 255); =
font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;Lucida =
Grande&quot;, sans-serif; font-size: 13px;" class=3D""><div =
id=3D"yui_3_16_0_ym19_1_1536608835100_3211" dir=3D"ltr" class=3D"">Besides=
 having a bunch of Triumph, MGB and Healey special tools, I have the =
most beautiful set of TR3 thru 4A Headers that I will never use. They =
are much too pretty for a race car but could look great on a show car. =
The workmanship on these is excellent, the best I have ever seen. They =
are polished stainless steel, two parts. Outer two cylinders and inner =
two cylinders. They will look great as a wall decoration if they don't =
sell. $500 makes them yours. Tools, books and toys I try to never sell, =
parts that I don't need, go to go. I also have a great right rear fender =
for a TR250 in original paint for $400. Needs very very little work to =
be put on a car, No rust or dents.</div><div =
id=3D"yui_3_16_0_ym19_1_1536608835100_3211" dir=3D"ltr" class=3D""><br =
class=3D""></div><div id=3D"yui_3_16_0_ym19_1_1536608835100_3211" =
dir=3D"ltr" class=3D"">Barry</div><div =
id=3D"yui_3_16_0_ym19_1_1536608835100_3211" dir=3D"ltr" class=3D""><br =
class=3D""></div><div id=3D"yui_3_16_0_ym19_1_1536608835100_3211" =
dir=3D"ltr" class=3D""><br class=3D""></div><div =
id=3D"yui_3_16_0_ym19_1_1536608835100_3211" dir=3D"ltr" class=3D""><br =
class=3D""></div><div id=3D"yui_3_16_0_ym19_1_1536608835100_3211" =
dir=3D"ltr" class=3D""><br class=3D""></div><div =
id=3D"yui_3_16_0_ym19_1_1536608835100_3211" dir=3D"ltr" class=3D""><br =
class=3D""></div><div id=3D"yui_3_16_0_ym19_1_1536608835100_3211" =
dir=3D"ltr" class=3D""><br class=3D""></div><div =
id=3D"yui_3_16_0_ym19_1_1536608835100_3211" dir=3D"ltr" class=3D""><img =
src=3D"https://scontent-atl3-1.xx.fbcdn.net/v/t1.0-9/39954967_180313402973=
3629_2980337657063669760_n.jpg?_nc_cat=3D0&amp;oh=3D20e90af00ca2f64b05935a=
55c4a4f72c&amp;oe=3D5C30F8AD" id=3D"yui_3_16_0_ym19_1_1536608835100_3274" =
class=3D"" data-id=3D"6a3252e1-2e18-75e6-fa7a-f7cb4d8a025a" =
style=3D"max-width: 400px; max-height: 300px; width: 400px;"><span =
class=3D""></span></div><div id=3D"yui_3_16_0_ym19_1_1536608835100_3211" =
dir=3D"ltr" class=3D""><br class=3D""></div><div =
id=3D"yui_3_16_0_ym19_1_1536608835100_3211" dir=3D"ltr" class=3D""><img =
src=3D"https://scontent-atl3-1.xx.fbcdn.net/v/t1.0-9/38844024_177969803541=
0562_3364737668142333952_n.jpg?_nc_cat=3D0&amp;oh=3D8183ec292fad51e8d13d85=
54d90d08e6&amp;oe=3D5C39336F" id=3D"yui_3_16_0_ym19_1_1536608835100_3628" =
class=3D"" data-id=3D"b42bdf49-23aa-4bf7-99c8-f5e9d019058c" =
style=3D"max-width: 400px; max-height: 300px; width: 400px;"><br =
class=3D""></div><div class=3D"qtdSeparateBR" =
id=3D"yui_3_16_0_ym19_1_1536608835100_3265"><br class=3D""><br =
class=3D""></div><div class=3D"yahoo_quoted" =
id=3D"yui_3_16_0_ym19_1_1536608835100_3271" style=3D"display: =
block;"><div id=3D"yui_3_16_0_ym19_1_1536608835100_3270" =
style=3D"font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, =
&quot;Lucida Grande&quot;, sans-serif; font-size: 13px;" class=3D""><div =
id=3D"yui_3_16_0_ym19_1_1536608835100_3269" style=3D"font-family: =
HelveticaNeue, &quot;Helvetica Neue&quot;, Helvetica, Arial, =
&quot;Lucida Grande&quot;, sans-serif; font-size: 16px;" class=3D""><div =
dir=3D"ltr" id=3D"yui_3_16_0_ym19_1_1536608835100_3268" class=3D""><font =
size=3D"2" face=3D"Arial" id=3D"yui_3_16_0_ym19_1_1536608835100_3267" =
class=3D""><hr size=3D"1" class=3D""><b =
id=3D"yui_3_16_0_ym19_1_1536608835100_3624" class=3D""><span =
id=3D"yui_3_16_0_ym19_1_1536608835100_3623" style=3D"font-weight: bold;" =
class=3D"">From:</span></b><span =
class=3D"Apple-converted-space">&nbsp;</span>Chris Marx via Fot &lt;<a =
href=3D"mailto:[email-masked]" =
class=3D"">[email-masked]</a>&gt;<br class=3D""><b =
id=3D"yui_3_16_0_ym19_1_1536608835100_3622" class=3D""><span =
id=3D"yui_3_16_0_ym19_1_1536608835100_3621" style=3D"font-weight: bold;" =
class=3D"">To:</span></b><span =
class=3D"Apple-converted-space">&nbsp;</span>"fot@autox. team. net" =
&lt;<a href=3D"mailto:[email-masked]" =
class=3D"">[email-masked]</a>&gt;<span =
class=3D"Apple-converted-space">&nbsp;</span><br class=3D""><b =
id=3D"yui_3_16_0_ym19_1_1536608835100_3620" class=3D""><span =
id=3D"yui_3_16_0_ym19_1_1536608835100_3619" style=3D"font-weight: bold;" =
class=3D"">Sent:</span></b><span =
class=3D"Apple-converted-space">&nbsp;</span>Monday, September 10, 2018 =
3:20 PM<br class=3D""><b id=3D"yui_3_16_0_ym19_1_1536608835100_3618" =
class=3D""><span id=3D"yui_3_16_0_ym19_1_1536608835100_3617" =
style=3D"font-weight: bold;" class=3D"">Subject:</span></b><span =
class=3D"Apple-converted-space">&nbsp;</span>Re: [Fot] Crown and pinion =
gear break in<br class=3D""></font></div><div class=3D"y_msg_container" =
id=3D"yui_3_16_0_ym19_1_1536608835100_3616"><br class=3D""><div =
id=3D"yiv5299016695" class=3D""><div =
id=3D"yui_3_16_0_ym19_1_1536608835100_3615" class=3D""><div =
class=3D"yiv5299016695WordSection1" =
id=3D"yui_3_16_0_ym19_1_1536608835100_3614"><div =
class=3D"yiv5299016695MsoNormal" =
id=3D"yui_3_16_0_ym19_1_1536608835100_3613" style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"><span =
lang=3D"EN-US" id=3D"yui_3_16_0_ym19_1_1536608835100_3612" =
class=3D"">Maybe something to know about Diffs:</span></div><div =
class=3D"yiv5299016695MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 11pt; font-family: Calibri, sans-serif;"><span lang=3D"EN-US" =
class=3D"">&nbsp;</span></div><div class=3D"yiv5299016695MsoNormal" =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: =
Calibri, sans-serif;"><span lang=3D"EN-US" class=3D"">On Triumphs, these =
days are two different types of gear available:</span></div><div =
class=3D"yiv5299016695MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 11pt; font-family: Calibri, sans-serif;"><span lang=3D"EN-US" =
class=3D"">&nbsp;</span></div><ol start=3D"1" type=3D"1" =
style=3D"margin-bottom: 0cm; margin-top: 0cm;" class=3D""><li =
class=3D"yiv5299016695MsoListParagraph" style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"><span =
lang=3D"EN-US" class=3D"">Gleason gears</span></li><li =
class=3D"yiv5299016695MsoListParagraph" style=3D"margin: 0cm 0cm =
0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif;"><span =
lang=3D"EN-US" class=3D"">Oerlikon gears</span></li></ol><div =
class=3D"yiv5299016695MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 11pt; font-family: Calibri, sans-serif;"><span lang=3D"EN-US" =
class=3D"">&nbsp;</span></div><div class=3D"yiv5299016695MsoNormal" =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: =
Calibri, sans-serif;"><span lang=3D"EN-US" class=3D"">The workshop =
manual is referring to Gleason gear type. If you got an Oerlikon type of =
gear (the more modern one), and you try to set it up with the Workshop =
manual, then the gear will fail.</span></div><div =
class=3D"yiv5299016695MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 11pt; font-family: Calibri, sans-serif;"><span lang=3D"EN-US" =
class=3D"">This is because, that the contact pattern, which is shown in =
the manual, is mirrored at an Oerlikon type.</span></div><div =
class=3D"yiv5299016695MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 11pt; font-family: Calibri, sans-serif;"><span lang=3D"EN-US" =
class=3D"">&nbsp;</span></div><div class=3D"yiv5299016695MsoNormal" =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: =
Calibri, sans-serif;"><span lang=3D"EN-US" class=3D"">So most Oerlikons =
die of wrong contact pattern, with the pinion too deep in the Crown =
wheel, almost touching the carrier.</span></div><div =
class=3D"yiv5299016695MsoNormal" style=3D"margin: 0cm 0cm 0.0001pt; =
font-size: 11pt; font-family: Calibri, sans-serif;"><span lang=3D"EN-US" =
class=3D"">&nbsp;</span></div><div class=3D"yiv5299016695MsoNormal" =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: =
Calibri, sans-serif;"><span lang=3D"EN-US" =
class=3D"">Cheers</span></div><div class=3D"yiv5299016695MsoNormal" =
style=3D"margin: 0cm 0cm 0.0001pt; font-size: 11pt; font-family: =
Calibri, sans-serif;"><span lang=3D"EN-US" =
class=3D"">Chris</span></div></div></div></div>___________________________=
____________________<br class=3D""><a =
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class=3D"">[email-masked]</a><br class=3D""><br class=3D""><a =
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---

From: Michael Porter via Fot <[email-masked]>
Date: Tue, 11 Sep 2018 13:08:05 -0600

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On 9/10/2018 3:41 PM, Bob Kramer via Fot wrote:
> I can't answer that but one could measure the dimension of the pinion 
> head and subtract it from the total shown to get the depth you would 
> want.
>
> Bob Kramer

I suspect that there are variations in parts due to manufacturing 
errors, tolerances stacking up, etc.  Most of the parts made at the time 
were not subject to the sort of scrutiny and computer-controlled 
measurements that are common today (although even that isn't a guarantee 
of uniformity--I had to redo a bunch of Toyota Supra IRS diffs in the 
early `80s because the computer that assembled them was misprogrammed 
and it swapped the shim stacks for the carrier bearings left to right).

That said, the safest way to get the diff repaired properly is attention 
to the shims when disassembling, and then putting the shims back in the 
same thicknesses and checking for the proper engagement pattern.  It 
does require some educated guesswork, and, often, disassembling and 
assembling a couple of times, but, if the pattern is right, the diff 
will be reliable.  I'd also recommend using hard shims in place of crush 
spacers on the pinion whenever possible if the pinion originally used 
those.  It also is a bit easier if one uses the case spreader 
judiciously on those housings requiring same, and doesn't crank it up 
too much.  Spread the case just enough to get the carrier and bearings 
out.  Figuring out the shim packs will be easier.

Cheers.

-- 

Michael Porter
Roswell, NM

Never let anyone drive you crazy when you know it's within walking distance....

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    <div class="moz-cite-prefix">On 9/10/2018 3:41 PM, Bob Kramer via
      Fot wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:[email-masked]">
      <meta http-equiv="content-type" content="text/html; charset=utf-8">
      <div dir="ltr">I can't answer that but one could measure the
        dimension of the pinion head and subtract it from the total
        shown to get the depth you would want. </div>
      <div class="gmail_extra"><br clear="all">
        <div>
          <div class="gmail_signature" data-smartmail="gmail_signature">
            <div dir="ltr">Bob Kramer</div>
          </div>
        </div>
      </div>
    </blockquote>
    <br>
    I suspect that there are variations in parts due to manufacturing
    errors, tolerances stacking up, etc.  Most of the parts made at the
    time were not subject to the sort of scrutiny and
    computer-controlled measurements that are common today (although
    even that isn't a guarantee of uniformity--I had to redo a bunch of
    Toyota Supra IRS diffs in the early `80s because the computer that
    assembled them was misprogrammed and it swapped the shim stacks for
    the carrier bearings left to right).<br>
    <br>
    That said, the safest way to get the diff repaired properly is
    attention to the shims when disassembling, and then putting the
    shims back in the same thicknesses and checking for the proper
    engagement pattern.  It does require some educated guesswork, and,
    often, disassembling and assembling a couple of times, but, if the
    pattern is right, the diff will be reliable.  I'd also recommend
    using hard shims in place of crush spacers on the pinion whenever
    possible if the pinion originally used those.  It also is a bit
    easier if one uses the case spreader judiciously on those housings
    requiring same, and doesn't crank it up too much.  Spread the case
    just enough to get the carrier and bearings out.  Figuring out the
    shim packs will be easier.<br>
    <br>
    <br>
    Cheers.  <br>
    <pre class="moz-signature" cols="72">-- 

Michael Porter
Roswell, NM

Never let anyone drive you crazy when you know it's within walking distance....</pre>
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---

From: M&M Hado via Fot <[email-masked]>
Date: Tue, 11 Sep 2018 14:12:12 -0500

--===============2115037480107512771==
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FOT:  forwarding the email below from Houston Club member Mike Rouse who =
is not on the list.

=20

Mike Hado

=20

=20

From: Mike Rouse [mailto:[email-masked]]=20
Sent: Tuesday, September 11, 2018 10:23 AM
To: [email-masked]
Subject: Re: [Fot] Fwd: Crown and pinion gear break in

=20

Thanks, this write up is interesting. I have read the same notes about =
the reference to the measurement from the carrier/bearing center line to =
the back of the pinion head.

=20

The manual does indicate how to interpret the stamping on the top of the =
head. =E2=80=98N=E2=80=99 means normal, +/- number indicates what to =
adjust the pinion set too.

=20

The factory installed a shim between the pinion and the head bearing to =
adjust the center line to top of pinion measurement based on =
=E2=80=98N=E2=80=99 or the +/- #.

=20

Of the diffs I=E2=80=99ve rebuilt I=E2=80=99ve found the +/- # and one =
with =E2=80=98N=E2=80=99. I=E2=80=99ve also measured the head shim =
thickness and pinion head thickness.

=20

The measurement I make using a pinion setting tool from Jegs is =
critical, so far when I=E2=80=99ve installed new bearings and the =
original head shim, I=E2=80=99ve been able to set the pinion height as I =
found it.

=20

The follow up check is to blue the gear mesh after first making sure the =
back lash is within spec (.004 to .006).

=20

None of the normal parts houses sell this shim, the shim they sell goes =
behind the bearing race. The head shims I=E2=80=99ve measured has varied =
in thickness from .037 to .042.

=20

Head thickness also has varied from 1.286 to 1.311.

=20

The other variable, which I haven=E2=80=99t measured, would be the =
dimension to the race seat from a reference point which also could be a =
variable (cover gasket surfaced at the mounting surface or from the =
front support bar).

=20

When these were built 40 plus years ago the factory had method =
that=E2=80=99s not described in the manuals. Not having bought a ring =
and pinion set yet, I=E2=80=99m wondering what instruction one would =
get. What I=E2=80=99ve read on line about current methods, instructions =
would be provided on how to set the pinion in relation to the carrier =
line as that=E2=80=99s how the gears were ground together to make a =
matching set. This would apply to Ford, GM etc.

=20

Pass this on to those in the email thread if they=E2=80=99d like to pick =
my brain.

=20

Mike Rouse

[email-masked]

=20

=20

Sent from my iPad

On Sep 11, 2018, at 8:50 AM, M&M Hado <[email-masked]> wrote:

Mike, you might find this thread interesting.

=20

Mike

=20

=20

From: Fot [mailto:[email-masked]] On Behalf Of John Styduhar =
via Fot
Sent: Monday, September 10, 2018 2:10 PM
To: Bob Kramer
Cc: Triumph 'Friends of Triumph
Subject: Re: [Fot] Fwd: Crown and pinion gear break in

=20

I looked at my TR3, TR4/4A, and TR250/6 shop manuals, and all of them =
show the same factory tools to set the pinion depth measuring to the TOP =
of the pinion head.  So why do the TR3 and 4 manuals have a rear axle =
illustration that shows the critical measurement to the BACKSIDE of the =
pinion head??  Is the length of the gear on the pinion the same length =
regardless of ratio? =20

=20

Len Renkenberger wrote an article a long time ago for the 6-Pack =
newsletter showing how to do this without the factory tools, using =
polished bar stock to set up to measure pinion depth. I've used his =
techniques for years with great success.

Bob Kramer

=20

On Sun, Sep 9, 2018 at 7:06 PM, John Styduhar via Fot =
<[email-masked]> wrote:

Barry, when you are measuring TR pinion depth, where are you measuring =
from and to?  The TR3 manual only has the dimension from the front face =
of the pinion to the center of the ring gear which would be impossible =
to measure directly with the pinion gear installed.  =20

=20

=20

=20

On Sun, Sep 9, 2018 at 5:28 PM barry rosenberg <[email-masked]> =
wrote:

There is a factory set of tools that one uses to measure pinion depth =
before taking a diff apart. Then you set the new pinion at the same =
depth plus or minus the number on the gear.

=20

Barry

=20

  _____ =20

=20

The "92" is the "matched set" number and should correspond with the set =
number on the ring gear  The other number is the difference in pinion =
shimming from the "normal".    Haha, what is normal?

=20

=20

On Sat, Sep 8, 2018 at 12:33 AM Greg Blake via Fot <[email-masked]> =
wrote:

Ok guys and gals.=20

=20

Here is a pic of the new pinion head What do I do with the number on the =
pinion head?=20

Error! Filename not specified.

Thanks.=20

=20

Sent from my iPhone

I have a 4.88 ring and pinion in a box. My Triumph club is running the =
VTR National near Austin next year and I've been volunteered to head up =
the autocross. I think I'll build a diff with it and put it in the =
Beandito, and sell tickets!=20

Bob Kramer

=20

On Fri, Sep 7, 2018 at 8:37 AM, barry rosenberg via Fot =
<[email-masked]> wrote:

Wasn't this the new set of gears? If so, they were new old stock from =
England. They once belonged to Jim Ealy, who owned a black, 1966 TR4A =
race car. I bought his junk yard to get his race car and the gears were =
new in the box. I knew him since 1973 and he had the gears then. I had =
them until recently. I would not think that back then there were cheap =
reproduction gears available. He had 4:11, the 4:55 and 4:88 (great fun =
but useless). The 4:11 went in the car when I sold it, the 4:88 were put =
in a locked diff and played with on the street; the 4:55 sat on a shelf =
for all those years. If the diff still had fluid in it, then it has to =
be improper set up, unfortunately.

=20

Barry

=20

  _____ =20

=20

=20

So far I have only put the car in the air and pulled the cover. There is =
ample evidence of excessive heat so something went wrong with my setup.=20

=20

I might get the chance to pull it all out of the car and take some =
measurements on Sunday. Once I do, I=E2=80=99ll share my original setup =
notes and what I measure upon disassembly.

=20

On a related note. I ordered a new gear set from Rimmer on Monday and it =
arrived in Austin today, standard shipping. Amazing. Way faster than =
some of our domestic suppliers.=20

=20

This new gear set was supplied by Bastuck. Hopefully lasts a little =
longer. =20

=20

Sent from my iPhone

On Sep 6, 2018, at 7:41 AM, Rick Parent via Fot <[email-masked]> =
wrote:

=20

On Thursday, September 6, 2018 6:38 AM, Bill via Fot =
<[email-masked]> wrote:

=20

I doubt if a break-in procedure could have prevented failure, but as =
Marcel says, checking the temperature of the diff could have stopped the =
damage. The likely culprits are incorrect engagement or bad parts, but =
anything that heats the gears enough to cook the oil off the parts will =
kill the gears. I had a close call with one of the gear sets I use. =
Apparently I screwed up somewhere in checking fit=E2=80=94when I pulled =
the rear end to assess the problem there was no backlash. I have a huge =
finned differential cover so checking temperature doesn=E2=80=99t help, =
but I could feel the car slowing quickly between shifts. Fortunately I =
wasn=E2=80=99t doing my usual clutchless shifts and noticed the sudden =
deceleration every time I disengaged the clutch. The gear teeth were =
slightly blued and the oil smelled like a cesspool, but the gears were =
still usable once I did the setup properly.=20

Bill

> On Sep 5, 2018, at 1:48 AM, van.mulders.marcel--- via Fot =
<[email-masked]> wrote:
> I think it is good measure to check the heat of the differential =
casing after a few laps when the pinion and crownwheel are freshly =
mounted : when the casing gets very hot, something is wrong : or the =
parts are bad or they are mounted not correctly
> There are at least 2 manufactures of the TR parts, I forgot about the =
names. As far as I know, used original parts are running cooler than =
some of the aftermarked parts. How was the noise of the diff? Did you =
notice the smell during the first laps?
> I would love to here the FOT experience in breaking in new =
differential gears. What has worked well for you in the past? =20
>=20
> Last weekend, I was running the TR3 at Hallett with a brand new 4.55 =
gear set and it failed. I probably got 30 laps total in 4 sessions on =
track. I did not think to follow any set break in procedure with the =
gears and I am wondering if that is why they failed.=20
>=20
> I am interested in the lists experience with brand new or new old =
stock ring and pinion break in.=20
> http://www.fot-racing.com <http://www.fot-racing.com/>=20
>=20
> http://www.fot-racing.com <http://www.fot-racing.com/>=20
>=20
> Archive: http://wwwteam.net/pipermail/fot =
<http://www.team.net/pipermail/fot>=20

http://www.fot-racing.com <http://www.fot-racing.com/>=20

Archive: http://www.team.net/pipermail/fot
http://autox.team.net/mailman/options/fot/[email-masked] =
<http://autox.team.net/mailman/options/fot/rick.parent@attnet>=20

=20

http://www.fot-racing.com <http://www.fot-racing.com/>=20

http://www.fot-racing.com <http://www.fot-racing.com/>=20

=20

http://www.fot-racing.com <http://www.fot-racing.com/>=20

Archive: http://www.team.net/pipermail/fot =
<http://www.team.net/pipermail/fot%0DUnsubscribe/Manage>=20
http://autox.team.net/mailman/options/fot/[email-masked]

=20

http://www.fot-racing.com <http://www.fot-racing.com/>=20

Archive: http://www.team.net/pipermail/fot
http://autox.team.net/mailman/options/fot/[email-masked] =
<http://autoxteam.net/mailman/options/fot/[email-masked]>=20

http://www.fot-racing.com <http://www.fot-racing.com/>=20

=20

Archive: http://www.team.net/pipermail/fot =
<http://www.team.net/pipermail/fot%0DUnsubscribe/Manage>=20
http://autox.team.net/mailman/options/fot/[email-masked]

=20

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</o:shapelayout></xml><![endif]--></head><body lang=3DEN-US link=3Dblue =
vlink=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><span =
style=3D'font-family:"Arial","sans-serif";color:black'>FOT:=C2=A0 =
forwarding the email below from Houston Club member Mike Rouse who is =
not on the list.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Arial","sans-serif";color:black'><o:p>&nbsp;</o:p><=
/span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Arial","sans-serif";color:black'>Mike =
Hado<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Arial","sans-serif";color:black'><o:p>&nbsp;</o:p><=
/span></p><p class=3DMsoNormal><span =
style=3D'font-family:"Arial","sans-serif";color:black'><o:p>&nbsp;</o:p><=
/span></p><div><div style=3D'border:none;border-top:solid #B5C4DF =
1.0pt;padding:3.0pt 0in 0in 0in'><p class=3DMsoNormal><b><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span>=
</b><span style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'> =
Mike Rouse [mailto:[email-masked]] <br><b>Sent:</b> Tuesday, September =
11, 2018 10:23 AM<br><b>To:</b> [email-masked]<br><b>Subject:</b> Re: =
[Fot] Fwd: Crown and pinion gear break =
in<o:p></o:p></span></p></div></div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal>Thanks, this =
write up is interesting. I have read the same notes about the reference =
to the measurement from the carrier/bearing center line to the back of =
the pinion head.<o:p></o:p></p><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal>The manual does indicate how to interpret the stamping =
on the top of the head. =E2=80=98N=E2=80=99 means normal, +/- number =
indicates what to adjust the pinion set too.<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal>The factory installed a shim between the pinion and =
the head bearing to adjust the center line to top of pinion measurement =
based on =E2=80=98N=E2=80=99 or the +/- #.<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal>Of the diffs I=E2=80=99ve rebuilt I=E2=80=99ve found =
the +/- # and one with =E2=80=98N=E2=80=99. I=E2=80=99ve also measured =
the head shim thickness and pinion head =
thickness.<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal>The measurement I make using a pinion setting tool =
from Jegs is critical, so far when I=E2=80=99ve installed new bearings =
and the original head shim, I=E2=80=99ve been able to set the pinion =
height as I found it.<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal>The follow up check is to blue the gear mesh after =
first making sure the back lash is within spec (.004 to =
.006).<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal>None of the normal parts houses sell this shim, the =
shim they sell goes behind the bearing race. The head shims I=E2=80=99ve =
measured has varied in thickness from .037 to =
.042.<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal>Head thickness also has varied from 1.286 to =
1.311.<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal>The other variable, which I haven=E2=80=99t measured, =
would be the dimension to the race seat from a reference point which =
also could be a variable (cover gasket surfaced at the mounting surface =
or from the front support bar).<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal>When these were built 40 plus years ago the factory =
had method that=E2=80=99s not described in the manuals. Not having =
bought a ring and pinion set yet, I=E2=80=99m wondering what instruction =
one would get. What I=E2=80=99ve read on line about current methods, =
instructions would be provided on how to set the pinion in relation to =
the carrier line as that=E2=80=99s how the gears were ground together to =
make a matching set. This would apply to Ford, GM =
etc.<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal>Pass this on to those in the email thread if =
they=E2=80=99d like to pick my brain.<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal>Mike<span style=3D'color:black'> =
Rouse</span><o:p></o:p></p></div><div><p class=3DMsoNormal><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'><a =
href=3D"mailto:[email-masked]">[email-masked]</a><o:p></o:p></span></=
p><p class=3DMsoNormal><span =
style=3D'font-family:"Arial","sans-serif";color:black'><o:p>&nbsp;</o:p><=
/span></p></div><div><div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'><o:p>&nbsp;</o:p></p><div =
id=3DAppleMailSignature><p class=3DMsoNormal>Sent from my =
iPad<o:p></o:p></p></div><div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'><br>On Sep 11, 2018, at 8:50 AM, M&amp;M =
Hado &lt;<a href=3D"mailto:[email-masked]">[email-masked]</a>&gt; =
wrote:<o:p></o:p></p></div><blockquote =
style=3D'margin-top:5.0pt;margin-bottom:5.0pt'><div><p =
class=3DMsoNormal><span =
style=3D'font-family:"Arial","sans-serif";color:black'>Mike, you might =
find this thread interesting.</span><o:p></o:p></p><p =
class=3DMsoNormal><span =
style=3D'font-family:"Arial","sans-serif";color:black'>&nbsp;</span><o:p>=
</o:p></p><p class=3DMsoNormal><span =
style=3D'font-family:"Arial","sans-serif";color:black'>Mike</span><o:p></=
o:p></p><p class=3DMsoNormal><span =
style=3D'font-family:"Arial","sans-serif";color:black'>&nbsp;</span><o:p>=
</o:p></p><p class=3DMsoNormal><span =
style=3D'font-family:"Arial","sans-serif";color:black'>&nbsp;</span><o:p>=
</o:p></p><p class=3DMsoNormal><b><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span>=
</b><span style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'> =
Fot [<a =
href=3D"mailto:[email-masked]">mailto:[email-masked].=
net</a>] <b>On Behalf Of </b>John Styduhar via Fot<br><b>Sent:</b> =
Monday, September 10, 2018 2:10 PM<br><b>To:</b> Bob =
Kramer<br><b>Cc:</b> Triumph 'Friends of Triumph<br><b>Subject:</b> Re: =
[Fot] Fwd: Crown and pinion gear break in</span><o:p></o:p></p><p =
class=3DMsoNormal>&nbsp;<o:p></o:p></p><div><div><p class=3DMsoNormal>I =
looked at my TR3, TR4/4A, and TR250/6 shop manuals, and all of them show =
the same factory tools to set the pinion depth measuring to the TOP of =
the pinion head.&nbsp; So why do the TR3 and 4 manuals have a rear axle =
illustration that shows the critical measurement to the BACKSIDE of the =
pinion head??&nbsp; Is the length of the gear on the pinion the same =
length regardless of ratio?&nbsp;&nbsp;<o:p></o:p></p></div><div><div><p =
class=3DMsoNormal>&lt;image001.png&gt;&lt;image002.png&gt;<o:p></o:p></p>=
</div></div></div><p class=3DMsoNormal>&nbsp;<o:p></o:p></p><div><div><p =
class=3DMsoNormal>On Mon, Sep 10, 2018 at 9:43 AM Bob Kramer &lt;<a =
href=3D"mailto:[email-masked]">[email-masked]</a>&gt; =
wrote:<o:p></o:p></p></div><blockquote =
style=3D'border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in =
6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5=
.0pt'><div><p class=3DMsoNormal>Len Renkenberger wrote an article a long =
time ago for the 6-Pack newsletter showing how to do this without the =
factory tools, using polished bar stock to set up to measure pinion =
depth. I've used his techniques for years with =
great&nbsp;success.<o:p></o:p></p></div><div><p class=3DMsoNormal><br =
clear=3Dall><o:p></o:p></p><div><div><div><p class=3DMsoNormal>Bob =
Kramer<o:p></o:p></p></div></div></div><p =
class=3DMsoNormal>&nbsp;<o:p></o:p></p><div><p class=3DMsoNormal>On Sun, =
Sep 9, 2018 at 7:06 PM, John Styduhar via Fot &lt;<a =
href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a>&gt; =
wrote:<o:p></o:p></p><div><div><p class=3DMsoNormal>Barry, when you are =
measuring TR pinion depth, where are you measuring from and to?&nbsp; =
The TR3 manual only has the dimension from the front face of the pinion =
to the center of the ring gear which would be impossible to measure =
directly with the pinion gear installed.&nbsp; =
&nbsp;<o:p></o:p></p></div></div><div><div><p =
class=3DMsoNormal>&nbsp;<o:p></o:p></p></div><div><p =
class=3DMsoNormal>&nbsp;<o:p></o:p></p></div></div><p =
class=3DMsoNormal>&nbsp;<o:p></o:p></p><div><div><p class=3DMsoNormal>On =
Sun, Sep 9, 2018 at 5:28 PM barry rosenberg &lt;<a =
href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a>&gt; =
wrote:<o:p></o:p></p></div><blockquote =
style=3D'border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in =
6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5=
.0pt'><div><div><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12402"><p =
class=3DMsoNormal style=3D'background:white'><span =
style=3D'font-size:10.0pt;font-family:"Helvetica","sans-serif";color:blac=
k'>There is a factory set of tools that one uses to measure pinion depth =
before taking a diff apart. Then you set the new pinion at the same =
depth plus or minus the number on the =
gear.</span><o:p></o:p></p></div><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12404"><p =
class=3DMsoNormal style=3D'background:white'><span =
style=3D'font-size:10.0pt;font-family:"Helvetica","sans-serif";color:blac=
k'>&nbsp;</span><o:p></o:p></p></div><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12407"><p =
class=3DMsoNormal style=3D'background:white'><span =
style=3D'font-size:10.0pt;font-family:"Helvetica","sans-serif";color:blac=
k'>Barry</span><o:p></o:p></p></div><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12406"><p =
class=3DMsoNormal style=3D'margin-bottom:12.0pt;background:white'><span =
style=3D'font-size:10.0pt;font-family:"Helvetica","sans-serif";color:blac=
k'>&nbsp;</span><o:p></o:p></p></div><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12469"><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12468"><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12467"><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12466"><div =
class=3DMsoNormal align=3Dcenter =
style=3D'text-align:center;background:white'><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><=
hr size=3D1 width=3D"100%" align=3Dcenter></span></div><p =
class=3DMsoNormal style=3D'background:white'><b><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>F=
rom:</span></b><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif";color:black'> =
John Styduhar via Fot &lt;<a href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a>&gt;<br><b>To:</b> Greg Blake =
&lt;<a href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a>&gt; <br><b>Cc:</b> Triumph =
'Friends of Triumph &lt;<a href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a>&gt;<br><b>Sent:</b> Sunday, =
September 9, 2018 5:12 PM<br><b>Subject:</b> Re: [Fot] Fwd: Crown and =
pinion gear break in</span><o:p></o:p></p></div><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12473"><p =
class=3DMsoNormal style=3D'background:white'><span =
style=3D'font-family:"Helvetica","sans-serif";color:black'>&nbsp;</span><=
o:p></o:p></p><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yiv0604855335"><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12472"><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12471"><div><p =
class=3DMsoNormal style=3D'background:white'><span =
style=3D'font-family:"Helvetica","sans-serif";color:black'>The =
&quot;92&quot; is the &quot;matched set&quot; number and should =
correspond with the set number on the ring gear&nbsp; The other number =
is the difference in pinion shimming from the &quot;normal&quot;.&nbsp; =
&nbsp; Haha, what is normal?</span><o:p></o:p></p></div><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12470"><p =
class=3DMsoNormal style=3D'background:white'><span =
style=3D'font-family:"Helvetica","sans-serif";color:black'>&nbsp;</span><=
o:p></o:p></p></div></div><p class=3DMsoNormal =
style=3D'background:white'><span =
style=3D'font-family:"Helvetica","sans-serif";color:black'>&nbsp;</span><=
o:p></o:p></p><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12476"><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yiv0604855335yqt70545"><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12475"><p =
class=3DMsoNormal style=3D'background:white'><span =
style=3D'font-family:"Helvetica","sans-serif";color:black'>On Sat, Sep =
8, 2018 at 12:33 AM Greg Blake via Fot &lt;<a =
href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a>&gt; =
wrote:</span><o:p></o:p></p></div><blockquote =
style=3D'border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in =
6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5=
.0pt' =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12480"><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12479"><p =
class=3DMsoNormal style=3D'background:white'><span =
style=3D'font-family:"Helvetica","sans-serif";color:black'>Ok guys and =
gals.&nbsp;</span><o:p></o:p></p><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12478"><p =
class=3DMsoNormal style=3D'background:white'><span =
style=3D'font-family:"Helvetica","sans-serif";color:black'>&nbsp;</span><=
o:p></o:p></p></div><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12487"><p =
class=3DMsoNormal style=3D'background:white'><span =
style=3D'font-family:"Helvetica","sans-serif";color:black'>Here is a pic =
of the new pinion head What do I do with the number on the pinion =
head?&nbsp;</span><o:p></o:p></p></div><div><p class=3DMsoNormal =
style=3D'background:white'><b><span =
style=3D'font-family:"Helvetica","sans-serif";color:black'>Error! =
Filename not specified.</span></b><o:p></o:p></p></div><div><p =
class=3DMsoNormal style=3D'background:white'><span =
style=3D'font-family:"Helvetica","sans-serif";color:black'>Thanks.&nbsp;<=
/span><o:p></o:p></p></div><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12490"><p =
class=3DMsoNormal style=3D'margin-bottom:12.0pt;background:white'><span =
style=3D'font-family:"Helvetica","sans-serif";color:black'>&nbsp;</span><=
o:p></o:p></p><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yiv0604855335m_-3671314450992527492AppleMailSignature=
"><p class=3DMsoNormal style=3D'background:white'><span =
style=3D'font-family:"Helvetica","sans-serif";color:black'>Sent from my =
iPhone</span><o:p></o:p></p></div><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12489"><p =
class=3DMsoNormal style=3D'margin-bottom:12.0pt;background:white'><span =
style=3D'font-family:"Helvetica","sans-serif";color:black'><br>On Sep 7, =
2018, at 1:07 PM, Bob Kramer &lt;<a href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a>&gt; =
wrote:</span><o:p></o:p></p></div><blockquote =
style=3D'margin-top:5.0pt;margin-bottom:5.0pt' =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12496"><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12495"><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12494"><p =
class=3DMsoNormal style=3D'background:white'><span =
style=3D'font-family:"Helvetica","sans-serif";color:black'>I have a 4.88 =
ring and pinion in a box. My Triumph club is running the VTR National =
near Austin next year and I've been volunteered to head up the =
autocross. I think I'll build a diff with it and put it in the Beandito, =
and sell tickets!&nbsp;</span><o:p></o:p></p></div><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12502"><p =
class=3DMsoNormal style=3D'background:white'><span =
style=3D'font-family:"Helvetica","sans-serif";color:black'><br =
clear=3Dall></span><o:p></o:p></p><div><div><div><p class=3DMsoNormal =
style=3D'background:white'><span =
style=3D'font-family:"Helvetica","sans-serif";color:black'>Bob =
Kramer</span><o:p></o:p></p></div></div></div><p class=3DMsoNormal =
style=3D'background:white'><span =
style=3D'font-family:"Helvetica","sans-serif";color:black'>&nbsp;</span><=
o:p></o:p></p><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12501"><p =
class=3DMsoNormal style=3D'background:white'><span =
style=3D'font-family:"Helvetica","sans-serif";color:black'>On Fri, Sep =
7, 2018 at 8:37 AM, barry rosenberg via Fot &lt;<a =
href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a>&gt; =
wrote:<br><br><br></span><o:p></o:p></p><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12499"><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12498"><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yiv0604855335m_-3671314450992527492m_-692865941619314=
5832yui_3_16_0_ym19_1_1536326086781_12427"><p class=3DMsoNormal =
style=3D'background:white'><span =
style=3D'font-size:10.0pt;font-family:"Helvetica","sans-serif";color:blac=
k'>Wasn't this the new set of gears? If so, they were new old stock from =
England. They once belonged to Jim Ealy, who owned a black, 1966 TR4A =
race car. I bought his junk yard to get his race car and the gears were =
new in the box. I knew him since 1973 and he had the gears then. I had =
them until recently. I would not think that back then there were cheap =
reproduction gears available. He had 4:11, the 4:55 and 4:88 (great fun =
but useless). The 4:11 went in the car when I sold it, the 4:88 were put =
in a locked diff and played with on the street; the 4:55 sat on a shelf =
for all those years. If the diff still had fluid in it, then it has to =
be improper set up, unfortunately.</span><o:p></o:p></p></div><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yiv0604855335m_-3671314450992527492m_-692865941619314=
5832yui_3_16_0_ym19_1_1536326086781_12427"><p class=3DMsoNormal =
style=3D'background:white'><span =
style=3D'font-size:10.0pt;font-family:"Helvetica","sans-serif";color:blac=
k'>&nbsp;</span><o:p></o:p></p></div><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yiv0604855335m_-3671314450992527492m_-692865941619314=
5832yui_3_16_0_ym19_1_1536326086781_12427"><p class=3DMsoNormal =
style=3D'background:white'><span =
style=3D'font-size:10.0pt;font-family:"Helvetica","sans-serif";color:blac=
k'>Barry</span><o:p></o:p></p></div><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yiv0604855335m_-3671314450992527492m_-692865941619314=
5832yui_3_16_0_ym19_1_1536326086781_12440"><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt;background:white'><span =
style=3D'font-size:10.0pt;font-family:"Helvetica","sans-serif";color:blac=
k'>&nbsp;</span><o:p></o:p></p></div><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yiv0604855335m_-3671314450992527492m_-692865941619314=
5832yui_3_16_0_ym19_1_1536326086781_12446"><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yiv0604855335m_-3671314450992527492m_-692865941619314=
5832yui_3_16_0_ym19_1_1536326086781_12445"><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yiv0604855335m_-3671314450992527492m_-692865941619314=
5832yui_3_16_0_ym19_1_1536326086781_12444"><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yiv0604855335m_-3671314450992527492m_-692865941619314=
5832yui_3_16_0_ym19_1_1536326086781_12443"><div class=3DMsoNormal =
align=3Dcenter style=3D'text-align:center;background:white'><span =
style=3D'font-family:"Helvetica","sans-serif";color:black'><hr size=3D1 =
width=3D"100%" align=3Dcenter></span></div><p class=3DMsoNormal =
style=3D'background:white'><b><span =
style=3D'font-family:"Helvetica","sans-serif";color:black'>From:</span></=
b><span style=3D'font-family:"Helvetica","sans-serif";color:black'> Greg =
Blake via Fot &lt;<a href=3D"mailto:[email-masked]" =
target=3D"_blank" =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12509">[email-masked]=
.net</a>&gt;<br><b>To:</b> Fot &lt;<a href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a>&gt; <br><b>Cc:</b> fot &lt;<a =
href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a>&gt;<br><b>Sent:</b> Friday, =
September 7, 2018 6:14 AM<br><b>Subject:</b> Re: [Fot] Fwd: Crown and =
pinion gear break in</span><o:p></o:p></p></div><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yiv0604855335m_-3671314450992527492m_-692865941619314=
5832yui_3_16_0_ym19_1_1536326086781_13039"><p class=3DMsoNormal =
style=3D'background:white'><span =
style=3D'font-family:"Helvetica","sans-serif";color:black'>&nbsp;</span><=
o:p></o:p></p><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yiv0604855335m_-3671314450992527492m_-692865941619314=
5832yiv8608138712"><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yiv0604855335m_-3671314450992527492m_-692865941619314=
5832yui_3_16_0_ym19_1_1536326086781_13040"><p class=3DMsoNormal =
style=3D'background:white'><span =
style=3D'font-family:"Helvetica","sans-serif";color:black'>Thanks guys =
for all the feedback.&nbsp;</span><o:p></o:p></p><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yiv0604855335m_-3671314450992527492m_-692865941619314=
5832yui_3_16_0_ym19_1_1536326086781_13041"><p class=3DMsoNormal =
style=3D'background:white'><span =
style=3D'font-family:"Helvetica","sans-serif";color:black'>&nbsp;</span><=
o:p></o:p></p></div><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yiv0604855335m_-3671314450992527492m_-692865941619314=
5832yui_3_16_0_ym19_1_1536326086781_13042"><p class=3DMsoNormal =
style=3D'background:white'><span =
style=3D'font-family:"Helvetica","sans-serif";color:black'>So far I have =
only put the car in the air and pulled the cover. There is ample =
evidence of excessive heat so something went wrong with my =
setup.&nbsp;</span><o:p></o:p></p></div><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yiv0604855335m_-3671314450992527492m_-692865941619314=
5832yui_3_16_0_ym19_1_1536326086781_13043"><p class=3DMsoNormal =
style=3D'background:white'><span =
style=3D'font-family:"Helvetica","sans-serif";color:black'>&nbsp;</span><=
o:p></o:p></p></div><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yiv0604855335m_-3671314450992527492m_-692865941619314=
5832yui_3_16_0_ym19_1_1536326086781_13044"><p class=3DMsoNormal =
style=3D'background:white'><span =
style=3D'font-family:"Helvetica","sans-serif";color:black'>I might get =
the chance to pull it all out of the car and take some measurements on =
Sunday. Once I do, I=E2=80=99ll share my original setup notes and what I =
measure upon disassembly.</span><o:p></o:p></p></div><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yiv0604855335m_-3671314450992527492m_-692865941619314=
5832yui_3_16_0_ym19_1_1536326086781_13045"><p class=3DMsoNormal =
style=3D'background:white'><span =
style=3D'font-family:"Helvetica","sans-serif";color:black'>&nbsp;</span><=
o:p></o:p></p></div><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yiv0604855335m_-3671314450992527492m_-692865941619314=
5832yui_3_16_0_ym19_1_1536326086781_13046"><p class=3DMsoNormal =
style=3D'background:white'><span =
style=3D'font-family:"Helvetica","sans-serif";color:black'>On a related =
note. I ordered a new gear set from Rimmer on Monday and it arrived in =
Austin today, standard shipping. Amazing. Way faster than some of our =
domestic suppliers.&nbsp;</span><o:p></o:p></p></div><div><p =
class=3DMsoNormal style=3D'background:white'><span =
style=3D'font-family:"Helvetica","sans-serif";color:black'>&nbsp;</span><=
o:p></o:p></p></div><div><p class=3DMsoNormal =
style=3D'background:white'><span =
style=3D'font-family:"Helvetica","sans-serif";color:black'>This new gear =
set was supplied by Bastuck. Hopefully lasts a little longer. =
&nbsp;</span><o:p></o:p></p></div><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12515"><p =
class=3DMsoNormal style=3D'background:white'><span =
style=3D'font-family:"Helvetica","sans-serif";color:black'>&nbsp;</span><=
o:p></o:p></p><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yiv0604855335m_-3671314450992527492m_-692865941619314=
5832yiv8608138712AppleMailSignature"><p class=3DMsoNormal =
style=3D'background:white'><span =
style=3D'font-family:"Helvetica","sans-serif";color:black'>Sent from my =
iPhone</span><o:p></o:p></p></div><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yiv0604855335m_-3671314450992527492m_-692865941619314=
5832yiv8608138712yqt60981"><div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt;background:white'><span =
style=3D'font-family:"Helvetica","sans-serif";color:black'><br>On Sep 6, =
2018, at 7:41 AM, Rick Parent via Fot &lt;<a =
href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a>&gt; =
wrote:</span><o:p></o:p></p></div><blockquote =
style=3D'margin-top:5.0pt;margin-bottom:5.0pt' =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12523"><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12522"><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12521"><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yiv0604855335m_-3671314450992527492m_-692865941619314=
5832yiv8608138712yui_3_16_0_ym19_1_1536237470748_10096"><p =
class=3DMsoNormal style=3D'background:white'><span =
style=3D'font-size:10.0pt;font-family:"Helvetica","sans-serif";color:blac=
k'>Looks like the pinion was way to =
deep.</span><o:p></o:p></p></div><div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt;background:white'><span =
style=3D'font-size:10.0pt;font-family:"Helvetica","sans-serif";color:blac=
k'>&nbsp;</span><o:p></o:p></p></div><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12520"><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12519"><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12518"><div><p =
class=3DMsoNormal style=3D'background:white'><span =
style=3D'font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>O=
n Thursday, September 6, 2018 6:38 AM, Bill via Fot &lt;<a =
href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a>&gt; =
wrote:</span><o:p></o:p></p></div><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt;background:white'><span =
style=3D'font-family:"Helvetica","sans-serif";color:black'>&nbsp;</span><=
o:p></o:p></p><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12517"><div =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
-3544020503911685817yui_3_16_0_ym19_1_1536526013624_12516"><p =
class=3DMsoNormal style=3D'background:white'><span =
style=3D'font-family:"Helvetica","sans-serif";color:black'>I doubt if a =
break-in procedure could have prevented failure, but as Marcel says, =
checking the temperature of the diff could have stopped the damage. The =
likely culprits are incorrect engagement or bad parts, but anything that =
heats the gears enough to cook the oil off the parts will kill the =
gears. I had a close call with one of the gear sets I use. Apparently I =
screwed up somewhere in checking fit=E2=80=94when I pulled the rear end =
to assess the problem there was no backlash. I have a huge finned =
differential cover so checking temperature doesn=E2=80=99t help, but I =
could feel the car slowing quickly between shifts. Fortunately I =
wasn=E2=80=99t doing my usual clutchless shifts and noticed the sudden =
deceleration every time I disengaged the clutch. The gear teeth were =
slightly blued and the oil smelled like a cesspool, but the gears were =
still usable once I did the setup properly. <br><br>Bill<br><br>&gt; On =
Sep 5, 2018, at 1:48 AM, van.mulders.marcel--- via Fot &lt;<a =
href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a>&gt; wrote:<br>&gt; <br>&gt; =
<br>&gt; <br>&gt; ----- Doorgestuurd bericht -----<br>&gt; Van: =
&quot;van mulders marcel&quot; &lt;<a =
href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a>&gt;<br>&gt; Aan: =
&quot;Greg Blake&quot; &lt;<a href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a>&gt;<br>&gt; Verzonden: =
Woensdag 5 september 2018 10:47:59<br>&gt; Onderwerp: Re: [Fot] Crown =
and pinion gear break in<br>&gt; <br>&gt; I think it is good measure to =
check the heat of the differential casing after a few laps when the =
pinion and crownwheel are freshly mounted : when the casing gets very =
hot, something is wrong : or the parts are bad or they are mounted not =
correctly<br>&gt; There are at least 2 manufactures of the TR parts, I =
forgot about the names. As far as I know, used original parts are =
running cooler than some of the aftermarked parts. How was the noise of =
the diff? Did you notice the smell during the first laps?<br>&gt; =
Marcel<br>&gt; <br>&gt; ----- Oorspronkelijk bericht -----<br>&gt; Van: =
&quot;fot&quot; &lt;<a href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a>&gt;<br>&gt; Aan: =
&quot;fot&quot; &lt;<a href=3D"mailto:[email-masked]" =
target=3D"_blank">[email-masked]</a>&gt;<br>&gt; Verzonden: Woensdag =
5 september 2018 03:25:39<br>&gt; Onderwerp: [Fot] Crown and pinion gear =
break in<br>&gt; <br>&gt; I would love to here the FOT experience in =
breaking in new differential gears. What has worked well for you in the =
past?&nbsp; <br>&gt; <br>&gt; Last weekend, I was running the TR3 at =
Hallett with a brand new 4.55 gear set and it failed. I probably got 30 =
laps total in 4 sessions on track. I did not think to follow any set =
break in procedure with the gears and I am wondering if that is why they =
failed. <br>&gt; <br>&gt; I am interested in the lists experience with =
brand new or new old stock ring and pinion break in. <br>&gt; <br>&gt; =
Here is a pic of the failed set. <br>&gt; <br>&gt; <br>&gt; <br>&gt; =
[image/jpeg:image1.jpeg]<br>&gt; <br>&gt; <br>&gt; <br>&gt; Sent from my =
iPhone<br>&gt; _______________________________________________<br>&gt; =
<a href=3D"mailto:[email-masked]" =
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id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
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ckquote style=3D'margin-top:5.0pt;margin-bottom:5.0pt' =
id=3D"m_-9137488195397417476m_-4901775303274922524m_1359472020569513798m_=
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style=3D'margin-bottom:12.0pt;background:white'><span =
style=3D'font-family:"Helvetica","sans-serif";color:black'><br>__________=
_____________________________________<br><a =
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style=3D'margin-bottom:12.0pt;background:white'><span =
style=3D'font-family:"Helvetica","sans-serif";color:black'>______________=
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---

From: Bob Kramer via Fot <[email-masked]>
Date: Tue, 11 Sep 2018 14:51:49 -0500

--===============2176303830262967985==

--00000000000031178705759dcf0b

I would add that if you buy the same brand bearing you can grind out the ID
of the old races to make it easier to remove them for test assemblies.

Bob Kramer

On Tue, Sep 11, 2018 at 2:08 PM, Michael Porter <[email-masked]> wrote:

> I suspect that there are variations in parts due to manufacturing errors,
> tolerances stacking up, etc.  Most of the parts made at the time were not
> subject to the sort of scrutiny and computer-controlled measurements that
> are common today (although even that isn't a guarantee of uniformity--I had
> to redo a bunch of Toyota Supra IRS diffs in the early `80s because the
> computer that assembled them was misprogrammed and it swapped the shim
> stacks for the carrier bearings left to right).
>
> same thicknesses and checking for the proper engagement pattern.  It does
> require some educated guesswork, and, often, disassembling and assembling a
> couple of times, but, if the pattern is right, the diff will be reliable.
> I'd also recommend using hard shims in place of crush spacers on the pinion
> whenever possible if the pinion originally used those.  It also is a bit
> requiring same, and doesn't crank it up too much.  Spread the case just
> enough to get the carrier and bearings out.  Figuring out the shim packs
> will be easier.
>
>
> Cheers.
>
> --
>
>
> Michael Porter
> Roswell, NM
>
>

--00000000000031178705759dcf0b
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">I would add that if you buy the same brand bearing you can=
 grind out the ID of the old races to make it easier to remove them for tes=
t assemblies.</div><div class=3D"gmail_extra"><br clear=3D"all"><div><div c=
lass=3D"gmail_signature" data-smartmail=3D"gmail_signature"><div dir=3D"ltr=
">Bob Kramer</div></div></div>
<br><div class=3D"gmail_quote">On Tue, Sep 11, 2018 at 2:08 PM, Michael Por=
ter <span dir=3D"ltr">&lt;<a href=3D"mailto:[email-masked]" target=3D"_bl=
ank">[email-masked]</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_q=
uote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1e=
x">
 =20
   =20
 =20
  <div text=3D"#000000" bgcolor=3D"#FFFFFF">
    <div class=3D"m_4645890251388782201moz-cite-prefix">On 9/10/2018 3:41 P=
M, Bob Kramer via
      Fot wrote:<br>
    </div>
    <blockquote type=3D"cite">
     =20
      <div dir=3D"ltr">I can&#39;t answer that but one could measure the
        dimension of the pinion head and subtract it from the total
        shown to get the depth you would want.=C2=A0</div>
      <div class=3D"gmail_extra"><br clear=3D"all">
        <div>
          <div class=3D"m_4645890251388782201gmail_signature" data-smartmai=
l=3D"gmail_signature">
            <div dir=3D"ltr">Bob Kramer</div>
          </div>
        </div>
      </div>
    </blockquote>
    <br>
    I suspect that there are variations in parts due to manufacturing
    errors, tolerances stacking up, etc.=C2=A0 Most of the parts made at th=
e
    time were not subject to the sort of scrutiny and
    computer-controlled measurements that are common today (although
    even that isn&#39;t a guarantee of uniformity--I had to redo a bunch of
    Toyota Supra IRS diffs in the early `80s because the computer that
    assembled them was misprogrammed and it swapped the shim stacks for
    the carrier bearings left to right).<br>
    <br>
    That said, the safest way to get the diff repaired properly is
    attention to the shims when disassembling, and then putting the
    shims back in the same thicknesses and checking for the proper
    engagement pattern.=C2=A0 It does require some educated guesswork, and,
    often, disassembling and assembling a couple of times, but, if the
    pattern is right, the diff will be reliable.=C2=A0 I&#39;d also recomme=
nd
    using hard shims in place of crush spacers on the pinion whenever
    possible if the pinion originally used those.=C2=A0 It also is a bit
    easier if one uses the case spreader judiciously on those housings
    requiring same, and doesn&#39;t crank it up too much.=C2=A0 Spread the =
case
    just enough to get the carrier and bearings out.=C2=A0 Figuring out the
    shim packs will be easier.<br>
    <br>
    <br>
    Cheers.=C2=A0 <br><span class=3D"HOEnZb"><font color=3D"#888888">
    <pre class=3D"m_4645890251388782201moz-signature" cols=3D"72">--=20

Michael Porter
Roswell, NM

Never let anyone drive you crazy when you know it&#39;s within walking dist=
ance....</pre>
  </font></span></div>

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---

From: van.mulders.marcel at telenet.be (van.mulders.marcel at telenet.be)
Date: Wed, 5 Sep 2018 10:48:56 +0200 (CEST)

----- Doorgestuurd bericht -----
Van: "van mulders marcel" <van.mulders.marcel at telenet.be>
Aan: "Greg Blake" <gblake58tr3 at icloud.com>
Verzonden: Woensdag 5 september 2018 10:47:59
Onderwerp: Re: [Fot] Crown and pinion gear break in

I think it is good measure to check the heat of the differential casing after a few laps when the pinion and crownwheel are freshly mounted : when the casing gets very hot, something is wrong : or the parts are bad or they are mounted not correctly
There are at least 2 manufactures of the TR parts, I forgot about the names. As far as I know, used original parts are running cooler than some of the aftermarked parts. How was the noise of the diff? Did you notice the smell during the first laps?
Marcel

----- Oorspronkelijk bericht -----
Van: "fot" <fot at autox.team.net>
Aan: "fot" <fot at autox.team.net>
Verzonden: Woensdag 5 september 2018 03:25:39
Onderwerp: [Fot] Crown and pinion gear break in

I would love to here the FOT experience in breaking in new differential gears. What has worked well for you in the past?  

Last weekend, I was running the TR3 at Hallett with a brand new 4.55 gear set and it failed. I probably got 30 laps total in 4 sessions on track. I did not think to follow any set break in procedure with the gears and I am wondering if that is why they failed. 

I am interested in the lists experience with brand new or new old stock ring and pinion break in. 

[image/jpeg:image1.jpeg]

Sent from my iPhone
fot at autox.team.net

---

From: Bill at ponostyle.com (Bill)
Date: Wed, 5 Sep 2018 09:22:42 -0700

I doubt if a break-in procedure could have prevented failure, but as Marcel says, checking the temperature of the diff could have stopped the damage. The likely culprits are incorrect engagement or bad parts, but anything that heats the gears enough to cook the oil off the parts will kill the gears. I had a close call with one of the gear sets I use. Apparently I screwed up somewhere in checking fit?when I pulled the rear end to assess the problem there was no backlash. I have a huge finned differential cover so checking temperature doesn?t help, but I could feel the car slowing quickly between shifts. Fortunately I wasn?t doing my usual clutchless shifts and noticed the sudden deceleration every time I disengaged the clutch. The gear teeth were slightly blued and the oil smelled like a cesspool, but the gears were still usable once I did the setup properly. 

Bill
 
> On Sep 5, 2018, at 1:48 AM, van.mulders.marcel--- via Fot <fot at autox.team.net> wrote:
> 
> 
> 
> Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/van.mulders.marcel at telenet.be
> Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/bill at ponostyle.com
> 
>

---

From: britcars at bellsouth.net (barry rosenberg)
Date: Wed, 5 Sep 2018 19:16:36 +0000 (UTC)

Did it run out of fluid? It looks like the gears got hot and melted. I have seen one do this at Road Atlanta after it lost fluid from a leaking seal and an ignorant owner who ignored all the little puddles in the paddock under the car after every session. The pinion gear melted and wore the shaft into a hourglass shape from the heat. The ring gear looked ok. I always use a 90 weight gear oil or heavier, up to 140 with a half can of STP. Never ran a break in period, just drove the car. Did you paint the gears after assembly and check the mess pattern? Did you use the Triumph set-up tools or guess at the clearances? Teethe usually break if they are not meshed correctly or the pinion pre-load is not enough and the gear gets a little wobble at speed. I use a few drops of ATF on the bearings when setting the pre-load and not heavy gear oil.
Barry

      From: van.mulders.marcel--- via Fot <fot at autox.team.net>
 To: fot <fot at autox.team.net> 
 Sent: Wednesday, September 5, 2018 12:06 PM
 Subject: [Fot] Fwd: Crown and pinion gear break in

----- Oorspronkelijk bericht -----
Van: "fot" <fot at autox.team.net>
Aan: "fot" <fot at autox.team.net>
Verzonden: Woensdag 5 september 2018 03:25:39
Onderwerp: [Fot] Crown and pinion gear break in

I would love to here the FOT experience in breaking in new differential gears. What has worked well for you in the past?? 

[image/jpeg:image1.jpeg]

Sent from my iPhone

   
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From: johnstydo at gmail.com (John Styduhar)
Date: Wed, 5 Sep 2018 16:30:54 -0400

Proper R/P breakin includes heat cycling the gears and allowing them to
cool.  Failure to heat cycle may lead to catastrophic failure.  I would
also jack up the rear end between sessions to see if the backlash is being
maintained.

On Wed, Sep 5, 2018 at 12:53 AM Greg Blake via Fot <fot at autox.team.net>
wrote:

> Last weekend, I was running the TR3 at Hallett with a brand new 4.55 gear
> set and it failed. I probably got 30 laps total in 4 sessions on track. I
> did not think to follow any set break in procedure with the gears and I am
> wondering if that is why they failed.
>
> Sent from my iPhone_______________________________________________
> fot at autox.team.net
>
> http://autox.team.net/mailman/options/fot/johnstydo at gmail.com
>
>
>
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From: rick.parent at att.net (Rick Parent)
Date: Thu, 6 Sep 2018 12:41:26 +0000 (UTC)

On Thursday, September 6, 2018 6:38 AM, Bill via Fot <fot at autox.team.net> wrote:

Bill

   
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From: johnstydo at gmail.com (John Styduhar)
Date: Thu, 6 Sep 2018 09:48:25 -0400

I don't see any bluing on the ring gear teeth and Greg didn't mention
stinky oil smell.  Assuming the setup was correct, I'd like to know where
Greg got the parts.  We all have experience with the quality of aftermarket
TR parts.  Also what limited slip he was running or a welded diff.
Something may have come loose inside and jammed in the gear mesh.  You may
find your answer somewhere in  the shrapnel.

On Thu, Sep 6, 2018 at 6:29 AM Bill via Fot <fot at autox.team.net> wrote:

> Apparently I screwed up somewhere in checking fit?when I pulled the rear
> differential cover so checking temperature doesn?t help, but I could feel
> the car slowing quickly between shifts. Fortunately I wasn?t doing my usual
> fot at autox.team.net> wrote:
> >
> >
> >
> after a few laps when the pinion and crownwheel are freshly mounted : when
> the casing gets very hot, something is wrong : or the parts are bad or they
> of the aftermarked parts. How was the noise of the diff? Did you notice the
> track. I did not think to follow any set break in procedure with the gears
> http://autox.team.net/mailman/options/fot/van.mulders.marcel at telenet.be
> http://autox.team.net/mailman/options/fot/bill at ponostyle.com
> >
> >
>
> Unsubscribe/Manage <http://www.team.net/pipermail/fotUnsubscribe/Manage>:
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From: gblake58tr3 at icloud.com (Greg Blake)
Date: Thu, 06 Sep 2018 20:50:59 -0500

So far I have only put the car in the air and pulled the cover. There is ample evidence of excessive heat so something went wrong with my setup. 

I might get the chance to pull it all out of the car and take some measurements on Sunday. Once I do, I?ll share my original setup notes and what I measure upon disassembly.

On a related note. I ordered a new gear set from Rimmer on Monday and it arrived in Austin today, standard shipping. Amazing. Way faster than some of our domestic suppliers. 

This new gear set was supplied by Bastuck. Hopefully lasts a little longer.  

Sent from my iPhone

> On Sep 6, 2018, at 7:41 AM, Rick Parent via Fot <fot at autox.team.net> wrote:
> 
> Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/rick.parent at att.net
> 
> 
> 
> 
> Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/gblake58tr3 at icloud.com
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From: britcars at bellsouth.net (barry rosenberg)
Date: Fri, 7 Sep 2018 13:37:31 +0000 (UTC)

Wasn't this the new set of gears? If so, they were new old stock from England. They once belonged to Jim Ealy, who owned a black, 1966 TR4A race car. I bought his junk yard to get his race car and the gears were new in the box. I knew him since 1973 and he had the gears then. I had them until recently. I would not think that back then there were cheap reproduction gears available. He had 4:11, the 4:55 and 4:88 (great fun but useless). The 4:11 went in the car when I sold it, the 4:88 were put in a locked diff and played with on the street; the 4:55 sat on a shelf for all those years. If the diff still had fluid in it, then it has to be improper set up, unfortunately.
Barry

      From: Greg Blake via Fot <fot at autox.team.net>
 To: Fot <fot at autox.team.net> 
Cc: fot <fot at autox.team.net>
 Sent: Friday, September 7, 2018 6:14 AM
 Subject: Re: [Fot] Fwd: Crown and pinion gear break in
   
Thanks guys for all the feedback.?
So far I have only put the car in the air and pulled the cover. There is ample evidence of excessive heat so something went wrong with my setup.?
I might get the chance to pull it all out of the car and take some measurements on Sunday. Once I do, I?ll share my original setup notes and what I measure upon disassembly.
On a related note. I ordered a new gear set from Rimmer on Monday and it arrived in Austin today, standard shipping. Amazing. Way faster than some of our domestic suppliers.?
This new gear set was supplied by Bastuck. Hopefully lasts a little longer. ?
Sent from my iPhone
On Sep 6, 2018, at 7:41 AM, Rick Parent via Fot <fot at autox.team.net> wrote:

Bill

   

   
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From: rkramer56 at gmail.com (Bob Kramer)
Date: Fri, 7 Sep 2018 13:07:39 -0500

I have a 4.88 ring and pinion in a box. My Triumph club is running the VTR
National near Austin next year and I've been volunteered to head up the
autocross. I think I'll build a diff with it and put it in the Beandito,
and sell tickets!

Bob Kramer

On Fri, Sep 7, 2018 at 8:37 AM, barry rosenberg via Fot <fot at autox.team.net>
wrote:

> England. They once belonged to Jim Ealy, who owned a black, 1966 TR4A race
> the box. I knew him since 1973 and he had the gears then. I had them until
> The 4:11 went in the car when I sold it, the 4:88 were put in a locked diff
> and played with on the street; the 4:55 sat on a shelf for all those years.
> *From:* Greg Blake via Fot <fot at autox.team.net>
> *To:* Fot <fot at autox.team.net>
> *Cc:* fot <fot at autox.team.net>
> measurements on Sunday. Once I do, I?ll share my original setup notes and
> options/fot/van.mulders.marcel at telenet.be
> options/fot/bill at ponostyle.com
>
> >
> >
>
> options/fot/rick.parent at att.net
>
>
>
>
> Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/gblake58tr3@
> icloud.com
>
>
> options/fot/rkramer56 at gmail.com
>
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>
>
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From: gblake58tr3 at icloud.com (Greg Blake)
Date: Fri, 07 Sep 2018 14:38:34 -0500

Now that would be fun. 

Sent from my iPhone

> On Sep 7, 2018, at 1:07 PM, Bob Kramer <rkramer56 at gmail.com> wrote:
> 
> I have a 4.88 ring and pinion in a box. My Triumph club is running the VTR National near Austin next year and I've been volunteered to head up the autocross. I think I'll build a diff with it and put it in the Beandito, and sell tickets! 
> 
> Bob Kramer
> 
>> On Fri, Sep 7, 2018 at 8:37 AM, barry rosenberg via Fot <fot at autox.team.net> wrote:
>> Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/britcars at bellsouth.net
>> 
>> 
>> 
>> 
>> 
>> Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/rkramer56 at gmail.com
>> 
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>> 
> 
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From: gblake58tr3 at icloud.com (Greg Blake)
Date: Fri, 07 Sep 2018 18:46:58 -0500

Ok guys and gals. 

Here is a pic of the new pinion head. What do I do with the number on the pinion head? 

Thanks. 

Sent from my iPhone

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From: duncan.charlton54 at gmail.com (Duncan Charlton)
Date: Fri, 7 Sep 2018 20:36:16 -0500

I?ve got one of those too.  My Morgan came with what looks like a TR3 rear axle and a new 4.88 set is in spares.  Not sure what I?ll do with it!

Duncan

> On Sep 7, 2018, at 1:07 PM, Bob Kramer via Fot <fot at autox.team.net> wrote:
> 
>> > Donate: http://www.team.net/donate.html <http://www.team.net/donate.html>
>> > Archive: http://www.team.net/pipermail/fot <http://www.team.net/pipermail/fot>
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>> > Donate: http://www.team.net/donate.html <http://www.team.net/donate.html>
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>> 
>> > 
>> > 
>> 
>> Donate: http://www.team.net/donate.html <http://www.team.net/donate.html>
>> Archive: http://www.team.net/pipermail/fot <http://www.team.net/pipermail/fot>
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From: johnstydo at gmail.com (John Styduhar)
Date: Sun, 9 Sep 2018 11:07:18 -0400

On Sat, Sep 8, 2018 at 12:33 AM Greg Blake via Fot <fot at autox.team.net>
wrote:

>> http://autox.team.net/mailman/options/fot/rick.parent at att.net
>>
>>
>>
>>
>> http://autox.team.net/mailman/options/fot/gblake58tr3 at icloud.com
>>
>>
>> http://autox.team.net/mailman/options/fot/britcars at bellsouth.net
>>
>>
>>
>>
>>
>> http://autox.team.net/mailman/options/fot/rkramer56 at gmail.com
>>
>>
>>
>>
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From: gblake58tr3 at icloud.com (Greg Blake)
Date: Sun, 09 Sep 2018 10:09:16 -0500

Thanks John. 

Sent from my iPhone

> On Sep 9, 2018, at 10:07 AM, John Styduhar <johnstydo at gmail.com> wrote:
> 
> The "92" is the "matched set" number and should correspond with the set number on the ring gear.  The other number is the difference in pinion shimming from the "normal".    Haha, what is normal?
> 
> 
>> On Sat, Sep 8, 2018 at 12:33 AM Greg Blake via Fot <fot at autox.team.net> wrote:
>> Ok guys and gals. 
>> 
>> Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/johnstydo at gmail.com
>> 
>> 
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From: britcars at bellsouth.net (barry rosenberg)
Date: Sun, 9 Sep 2018 21:27:59 +0000 (UTC)

There is a factory set of tools that one uses to measure pinion depth before taking a diff apart. Then you set the new pinion at the same depth plus or minus the number on the gear.
Barry

      From: John Styduhar via Fot <fot at autox.team.net>
 To: Greg Blake <gblake58tr3 at icloud.com> 
Cc: Triumph 'Friends of Triumph <fot at autox.team.net>
 Sent: Sunday, September 9, 2018 5:12 PM
 Subject: Re: [Fot] Fwd: Crown and pinion gear break in
   
The "92" is the "matched set" number and should correspond with the set number on the ring gear.? The other number is the difference in pinion shimming from the "normal".? ? Haha, what is normal?

Ok guys and gals.?
Here is a pic of the new pinion head. What do I do with the number on the pinion head??
Thanks.?

Sent from my iPhone

I have a 4.88 ring and pinion in a box. My Triumph club is running the VTR National near Austin next year and I've been volunteered to head up the autocross. I think I'll build a diff with it and put it in the Beandito, and sell tickets!?
Bob Kramer
On Fri, Sep 7, 2018 at 8:37 AM, barry rosenberg via Fot <fot at autox.team.net> wrote:

  

Bill

   

   

   
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From: johnstydo at gmail.com (John Styduhar)
Date: Sun, 9 Sep 2018 20:06:07 -0400

On Sun, Sep 9, 2018 at 5:28 PM barry rosenberg <britcars at bellsouth.net>
wrote:

> *From:* John Styduhar via Fot <fot at autox.team.net>
> *To:* Greg Blake <gblake58tr3 at icloud.com>
> *Cc:* Triumph 'Friends of Triumph <fot at autox.team.net>
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From: tr4racing at googlemail.com (tr4racing at googlemail.com)
Date: Mon, 10 Sep 2018 08:36:05 +0200

1.	Gleason gears
2.	Oerlikon gears

Cheers

Chris

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From: britcars at bellsouth.net (barry rosenberg)
Date: Mon, 10 Sep 2018 09:58:21 +0000 (UTC)

The tool has several parts. One is a temporary replacement for the pinion gear and the other sits in the bearing saddles of the carrier. Both the carrier and pinion are removed to use the tool. You insert the replacement pinion, sit the other part in the saddles and with the attached dial gauge, you measure the depth of the tool. There is a lot more that goes into it but you may get the idea of how it works. Sets the depth perfect every time and then all you have to do is set the backlash and check for wear pattern with paint or Dykem Blue. Got the tool when I bought an old British car junk yard. Also have a special tool to set valve lash within .0005" using a dial gauge set-up. Not sure if they need to be that accurate for our old cars.
Barry

      From: John Styduhar <johnstydo at gmail.com>
 To: barry rosenberg <britcars at bellsouth.net> 
Cc: Greg Blake <gblake58tr3 at icloud.com>; Triumph 'Friends of Triumph <fot at autox.team.net>
 Sent: Sunday, September 9, 2018 8:06 PM
 Subject: Re: [Fot] Fwd: Crown and pinion gear break in
   
Barry, when you are measuring TR pinion depth, where are you measuring from and to?? The TR3 manual only has the dimension from the front face of the pinion to the center of the ring gear which would be impossible to measure directly with the pinion gear installed.? ?

On Sun, Sep 9, 2018 at 5:28 PM barry rosenberg <britcars at bellsouth.net> wrote:

  

Ok guys and gals.?

Sent from my iPhone

  

Bill

   

   

   

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From: robertlangtr6 at yahoo.com (Robert Lang)
Date: Mon, 10 Sep 2018 11:46:30 +0000 (UTC)

The factory pinion installation uses a dummy carrier that sits in the saddles for the differential carrier. This tool holds a dial indicator that you use to measure the depth (which is referred to as "pinion head height") . The tools that you use for the common diffs have a fixed-length adapter for your dial indicator, but these are "too long" for big TRiumph diffs, so you have to improvise.

You can also use a home made tool to bolt onto the case using the saddles' bolts and a fixed size spacer and feeler gauges (ala Len Reckenberger). The key here is that you need to get repeatable measurements to within .001 which is tricky.

To your question, John,? you are measuring the distance from the center line of the axles to the face of the pinion. The number should be the radius of the inside curve of the ring gear (which is roughly 2.35 inches). You do this measurement using the dummy carrier or the improvised tool and then shim as needed.
I've done a few diffs and always find that adding or subtracting shims is needed to get the pattern exactly right after using the Reckenberger method. But at least you get in the ballpark! 

I hope this helps.
Speaking gear sets, I used a 4.88 for a few seasons of autocross and found that first gear was useless and the top speed of just over 80 MPH was "limiting" for the autocrosses in my region. I have that set on the shelf and switched to 4.33's which work awesome for hillclimbs, but still limit top speeds which really matters on some hills (like Reading, PA). I'm talking 4 speeds and 23 inch slicks. For vintage road racing, I switched to taller tires and I had to re-do all my gear calculations. That led to my current gear selection which is "all gear sets available", 3.45, 3.70, 4.10 and 4.33. I then gear for the track based on best guesses. So far, I've been guessing pretty well!

Regards,Bob Lang

    On Monday, September 10, 2018, 7:08:31 AM EDT, John Styduhar via Fot <fot at autox.team.net> wrote:  

  

Ok guys and gals.?

Sent from my iPhone

  

Bill

   

   

   

  
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From: britcars at bellsouth.net (barry rosenberg)
Date: Mon, 10 Sep 2018 12:13:40 +0000 (UTC)

My tool was made specifically for the big TRs like TR2 thru 6. All I have to do is zero my dial gauge attached to the tool (dummy carrier) on a perfectly flat surface to the face of the tool; place it in the saddles and rock it a little until I get the shortest distance to the dummy pinion top. Even with this tool, it can be difficult to get exact repeated measurements. It takes practice and a selection of shims. The correct size is not always available. Then you use ingenuity to get it right. Sometimes a lathe helps!
Barry

      From: Robert Lang <robertlangtr6 at yahoo.com>
 To: barry rosenberg <britcars at bellsouth.net>; John Styduhar <johnstydo at gmail.com> 
Cc: Triumph 'Friends of Triumph <fot at autox.team.net>
 Sent: Monday, September 10, 2018 7:51 AM
 Subject: Re: [Fot] Fwd: Crown and pinion gear break in

I hope this helps.

Regards,Bob Lang

  

Ok guys and gals.?

Sent from my iPhone

  

Bill

   

   

   

  

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From: rkramer56 at gmail.com (Bob Kramer)
Date: Mon, 10 Sep 2018 08:42:48 -0500

Bob Kramer

On Sun, Sep 9, 2018 at 7:06 PM, John Styduhar via Fot <fot at autox.team.net>
wrote:

> from and to?  The TR3 manual only has the dimension from the front face of
>> VTR National near Austin next year and I've been volunteered to head up the
>> options/fot/gblake58tr3 at icloud.com
>>
>>
>> options/fot/johnstydo at gmail.com
>>
>>
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From: johnstydo at gmail.com (John Styduhar)
Date: Mon, 10 Sep 2018 15:10:02 -0400

On Mon, Sep 10, 2018 at 9:43 AM Bob Kramer <rkramer56 at gmail.com> wrote:

> newsletter showing how to do this without the factory tools, using polished
>>> casing after a few laps when the pinion and crownwheel are freshly mounted
>>> : when the casing gets very hot, something is wrong : or the parts are bad
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From: britcars at bellsouth.net (barry rosenberg)
Date: Mon, 10 Sep 2018 19:55:31 +0000 (UTC)

Besides having a bunch of Triumph, MGB and Healey special tools, I have the most beautiful set of TR3 thru 4A Headers that I will never use. They are much too pretty for a race car but could look great on a show car. The workmanship on these is excellent, the best I have ever seen. They are polished stainless steel, two parts. Outer two cylinders and inner two cylinders. They will look great as a wall decoration if they don't sell. $500 makes them yours. Tools, books and toys I try to never sell, parts that I don't need, go to go. I also have a great right rear fender for a TR250 in original paint for $400. Needs very very little work to be put on a car, No rust or dents.
Barry

      From: Chris Marx via Fot <fot at autox.team.net>
 To: "fot at autox. team. net" <fot at autox.team.net> 
 Sent: Monday, September 10, 2018 3:20 PM
 Subject: Re: [Fot] Crown and pinion gear break in
   
<!--#yiv5299016695 _filtered #yiv5299016695 {font-family:"Cambria Math";panose-1:2 4 5 3 5 4 6 3 2 4;} _filtered #yiv5299016695 {font-family:Calibri;panose-1:2 15 5 2 2 2 4 3 2 4;}#yiv5299016695 #yiv5299016695 p.yiv5299016695MsoNormal, #yiv5299016695 li.yiv5299016695MsoNormal, #yiv5299016695 div.yiv5299016695MsoNormal {margin:0cm;margin-bottom:.0001pt;font-size:11.0pt;font-family:"Calibri", sans-serif;}#yiv5299016695 a:link, #yiv5299016695 span.yiv5299016695MsoHyperlink {color:blue;text-decoration:underline;}#yiv5299016695 a:visited, #yiv5299016695 span.yiv5299016695MsoHyperlinkFollowed {color:purple;text-decoration:underline;}#yiv5299016695 p.yiv5299016695MsoListParagraph, #yiv5299016695 li.yiv5299016695MsoListParagraph, #yiv5299016695 div.yiv5299016695MsoListParagraph {margin-top:0cm;margin-right:0cm;margin-bottom:0cm;margin-left:36.0pt;margin-bottom:.0001pt;font-size:11.0pt;font-family:"Calibri", sans-serif;}#yiv5299016695 p.yiv5299016695msonormal0, #yiv5299016695 li.yiv5299016695msonormal0, #yiv5299016695 div.yiv5299016695msonormal0 {margin-right:0cm;margin-left:0cm;font-size:11.0pt;font-family:"Calibri", sans-serif;}#yiv5299016695 span.yiv5299016695E-MailFormatvorlage19 {font-family:"Calibri", sans-serif;color:windowtext;}#yiv5299016695 .yiv5299016695MsoChpDefault {font-size:10.0pt;} _filtered #yiv5299016695 {margin:70.85pt 70.85pt 2.0cm 70.85pt;}#yiv5299016695 div.yiv5299016695WordSection1 {}#yiv5299016695 _filtered #yiv5299016695 {} _filtered #yiv5299016695 {} _filtered #yiv5299016695 {} _filtered #yiv5299016695 {} _filtered #yiv5299016695 {} _filtered #yiv5299016695 {} _filtered #yiv5299016695 {} _filtered #yiv5299016695 {} _filtered #yiv5299016695 {} _filtered #yiv5299016695 {}#yiv5299016695 ol {margin-bottom:0cm;}#yiv5299016695 ul {margin-bottom:0cm;}-->Maybe something to know about Diffs: ?On Triumphs, these days are two different types of gear available: ?   
   - Gleason gears
   - Oerlikon gears
 ?The workshop manual is referring to Gleason gear type. If you got an Oerlikon type of gear (the more modern one), and you try to set it up with the Workshop manual, then the gear will fail.This is because, that the contact pattern, which is shown in the manual, is mirrored at an Oerlikon type. ?So most Oerlikons die of wrong contact pattern, with the pinion too deep in the Crown wheel, almost touching the carrier. ?CheersChris_______________________________________________
fot at autox.team.net

   
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From: johnstydo at gmail.com (John Styduhar)
Date: Mon, 10 Sep 2018 16:28:07 -0400

On Mon, Sep 10, 2018 at 3:16 PM Chris Marx via Fot <fot at autox.team.net>

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From: tr4racing at googlemail.com (tr4racing at googlemail.com)
Date: Mon, 10 Sep 2018 22:47:31 +0200

Basically the installing is the same as on Gleason, same leash values and such stuff.

Cheers

Chris

Von: Greg Blake <gblake58tr3 at icloud.com> 
Gesendet: Montag, 10. September 2018 22:44
An: tr4racing at googlemail.com
Betreff: Re: AW: [Fot] Crown and pinion gear break in

I noticed that they looked a little different. The others I?ve used have all been new old stock. 

Sent from my iPhone

Yes, they are.

Chris,

Based purely on speculation, I assume Bastuck gears are Oerlikon. Do you know?  If yes, do you have the setup instructions for these gear sets?

Thanks

Greg

Sent from my iPhone

1.	Gleason gears
2.	Oerlikon gears

Cheers

Chris

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From: rkramer56 at gmail.com (Bob Kramer)
Date: Mon, 10 Sep 2018 16:41:18 -0500

Bob Kramer

On Mon, Sep 10, 2018 at 2:10 PM, John Styduhar <johnstydo at gmail.com> wrote:

>> On Sun, Sep 9, 2018 at 7:06 PM, John Styduhar via Fot <fot at autox.team.net
>> > wrote:
>>
>>>> is ample evidence of excessive heat so something went wrong with my setup.
>>>>
>>>> it arrived in Austin today, standard shipping. Amazing. Way faster than
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From: jhasty at mhc-law.com (John H. Hasty)
Date: Mon, 10 Sep 2018 23:31:02 +0000

John, as you so eloquently said once before, ?class dismissed?

Sent from my iPhone

To your question, John,  you are measuring the distance from the center line of the axles to the face of the pinion. The number should be the radius of the inside curve of the ring gear (which is roughly 2.35 inches). You do this measurement using the dummy carrier or the improvised tool and then shim as needed.

I hope this helps.

Regards,
Bob Lang

Barry, when you are measuring TR pinion depth, where are you measuring from and to?  The TR3 manual only has the dimension from the front face of the pinion to the center of the ring gear which would be impossible to measure directly with the pinion gear installed.

Barry

________________________________
Sent: Sunday, September 9, 2018 5:12 PM
Subject: Re: [Fot] Fwd: Crown and pinion gear break in

Ok guys and gals.

Sent from my iPhone

Bob Kramer

Barry

________________________________
Sent: Friday, September 7, 2018 6:14 AM
Subject: Re: [Fot] Fwd: Crown and pinion gear break in

Sent from my iPhone

Bill

> http://www.fot-racing.com<http://www.fot-racing.com/>
>
> http://www.fot-racing.com<http://www.fot-racing.com/>
>

http://www.fot-racing.com<http://www.fot-racing.com/>

http://www.fot-racing.com<http://www.fot-racing.com/>

http://www.fot-racing.com<http://www.fot-racing.com/>

http://www.fot-racing.com<http://www.fot-racing.com/>

http://www.fot-racing.com<http://www.fot-racing.com/>

http://www.fot-racing.com<http://www.fot-racing.com/>

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From: van.mulders.marcel at telenet.be (van.mulders.marcel at telenet.be)
Date: Tue, 11 Sep 2018 07:35:08 +0200 (CEST)

1. Gleason gears 
    2. Oerlikon gears 

Cheers 

Chris 

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From: Bill at ponostyle.com (Bill)
Date: Tue, 11 Sep 2018 07:22:37 -0700

Very pretty, too bad I don?t have a use for them. 

I came to the slow realization in reading all this that I?ve never bought a new set of gears. Everything I have is used but good. I?ve changed out gears in TR diffs many times, but always with the same old stuff. I don?t have any special tools, I?ve just used the tooth pattern and backlash ass a guide. I probably should up my game, but it?s worked fine so far. 

Peyote let go with a bang last weekend, last race, last day of the Columbia River Classic. Ran well on Saturday, didn?t feel quite right on Sunday, and when I checked the timing it was jumping around. I assumed my timing light was crap (it is) and the timing was proper whenever it settled. Engine sounded good in the pits, and it was still competitive. 

Then, near the end of the back straight, BAM. Stuffed the clutch in and coasted through the turns, onto the exit road, through the hot pits and off to the side. Walk of shame back to my pit. 

The jumpy timing source was obvious when I started tearing things down?a distributor full of aluminum shavings. Typical mallory problem. When the advance weight retainer lets go the weights gouge the distributor body and bounce all over the place. With the engine not right I was pushing hard when I should have been loading it up to head home. Dumb. #3 rod bearing stuck and broke off the cap, havoc ensued. At least it didn?t ventilate the block, and the crank might be salvageable. Tony Garmey says there?s a company he?s used that does Ion Plasma welding to redress journals to a better surface finish than new. That would be nice, it?s a good steel crank and everything else (other than the rod and probably the piston) looks fine. At least I was quick on the clutch and kill switch and didn?t hammer things for long. The piston top has a clear imprint of the combustion chamber. I?d guess it might be a tad shorter than spec. 

Oh well, I was tired of working on my motor home restoration anyway. 

> On Sep 10, 2018, at 12:55 PM, barry rosenberg via Fot <fot at autox.team.net> wrote:
> 
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From: mdporter at dfn.com (Michael Porter)
Date: Tue, 11 Sep 2018 13:08:05 -0600

errors, tolerances stacking up, etc.? Most of the parts made at the time 

That said, the safest way to get the diff repaired properly is attention 
to the shims when disassembling, and then putting the shims back in the 
same thicknesses and checking for the proper engagement pattern.? It 
does require some educated guesswork, and, often, disassembling and 
assembling a couple of times, but, if the pattern is right, the diff 
will be reliable.? I'd also recommend using hard shims in place of crush 
spacers on the pinion whenever possible if the pinion originally used 
those.? It also is a bit easier if one uses the case spreader 
judiciously on those housings requiring same, and doesn't crank it up 
too much.? Spread the case just enough to get the carrier and bearings 
out.? Figuring out the shim packs will be easier.

Cheers.

-- 

Michael Porter
Roswell, NM

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From: mhado at att.net (M&M Hado)
Date: Tue, 11 Sep 2018 14:12:12 -0500

FOT:  forwarding the email below from Houston Club member Mike Rouse who is not on the list.

Mike Hado

From: Mike Rouse [mailto:mtrtrain at aol.com] 
Sent: Tuesday, September 11, 2018 10:23 AM
To: mhado at att.net
Subject: Re: [Fot] Fwd: Crown and pinion gear break in

Thanks, this write up is interesting. I have read the same notes about the reference to the measurement from the carrier/bearing center line to the back of the pinion head.

The manual does indicate how to interpret the stamping on the top of the head. ?N? means normal, +/- number indicates what to adjust the pinion set too.

The factory installed a shim between the pinion and the head bearing to adjust the center line to top of pinion measurement based on ?N? or the +/- #.

Of the diffs I?ve rebuilt I?ve found the +/- # and one with ?N?. I?ve also measured the head shim thickness and pinion head thickness.

The measurement I make using a pinion setting tool from Jegs is critical, so far when I?ve installed new bearings and the original head shim, I?ve been able to set the pinion height as I found it.

The follow up check is to blue the gear mesh after first making sure the back lash is within spec (.004 to .006).

None of the normal parts houses sell this shim, the shim they sell goes behind the bearing race. The head shims I?ve measured has varied in thickness from .037 to .042.

The other variable, which I haven?t measured, would be the dimension to the race seat from a reference point which also could be a variable (cover gasket surfaced at the mounting surface or from the front support bar).

When these were built 40 plus years ago the factory had method that?s not described in the manuals. Not having bought a ring and pinion set yet, I?m wondering what instruction one would get. What I?ve read on line about current methods, instructions would be provided on how to set the pinion in relation to the carrier line as that?s how the gears were ground together to make a matching set. This would apply to Ford, GM etc.

Pass this on to those in the email thread if they?d like to pick my brain.

Mike Rouse

mtrtrain at aol.com

Sent from my iPad

On Sep 11, 2018, at 8:50 AM, M&M Hado <mhado at att.net> wrote:

Mike

From: Fot [mailto:fot-bounces at autox.team.net] On Behalf Of John Styduhar via Fot
Sent: Monday, September 10, 2018 2:10 PM
To: Bob Kramer
Cc: Triumph 'Friends of Triumph
Subject: Re: [Fot] Fwd: Crown and pinion gear break in

I looked at my TR3, TR4/4A, and TR250/6 shop manuals, and all of them show the same factory tools to set the pinion depth measuring to the TOP of the pinion head.  So why do the TR3 and 4 manuals have a rear axle illustration that shows the critical measurement to the BACKSIDE of the pinion head??  Is the length of the gear on the pinion the same length regardless of ratio?  

Len Renkenberger wrote an article a long time ago for the 6-Pack newsletter showing how to do this without the factory tools, using polished bar stock to set up to measure pinion depth. I've used his techniques for years with great success.

Bob Kramer

On Sun, Sep 9, 2018 at 7:06 PM, John Styduhar via Fot <fot at autox.team.net> wrote:

 

Barry

  _____  

The "92" is the "matched set" number and should correspond with the set number on the ring gear  The other number is the difference in pinion shimming from the "normal".    Haha, what is normal?

Ok guys and gals. 

Here is a pic of the new pinion head What do I do with the number on the pinion head? 

Thanks. 

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Bob Kramer

Barry

  _____  

Sent from my iPhone